no non – poly attire, id’s around your neck objective` review on kinematics and math in physics....
TRANSCRIPT
NO NON – POLY ATTIRE, ID’s AROUND YOUR NECK
OBJECTIVE `Review on kinematics and math in physics.
Drill 4.35: prep Date: 06-05-2015
Get a copy of Review Packet 5, go straight to your seat and start working with the review sheet.
EXTRA CREDIT - due on Monday, June 83 pts each packet COMPLETED review packet (no credit for incomplete/ with blanks reviewer)2 pts for being present and on time in class (1 pt if late) to EXAM SCORE
ZERO for the day behavior is unbecoming (ex. Loud, electronics, sleeping etc)
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dismiss”
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REVIEW PACKETSDue by 8:05 on Monday, June 8PLACE ALL THE
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HOMEWORKEverything we CANNOT DO IN
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If we can finish each packet in
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MULTIPLE CHOICE Circle the letter of your answer
(equations for problem solving questions)
No. 1A ball is horizontally thrown with an initially velocity of 5 m/s, what is its final horizontal velocity after five seconds?0 m/s 5 m/s10 m/s49 m/s
No. 1A ball is horizontally thrown with an initially velocity of 5 m/s, what is its final horizontal velocity after five seconds?
5 m/s
No. 2What is the horizontal acceleration that acts on a projectile?0 m/s2
depends vi
9.8 m/s2
depends on the object’s mass
No. 2What is the horizontal acceleration that acts on a projectile?
0 m/s2
No. 3A ball is thrown and it returns to the ground describing a parabolic path. Which of the following remains constant?Horizontal component of velocityvertical component of velocitySpeed of the ball kinetic energy
No. 3A ball is thrown and it returns to the ground describing a parabolic path. Which of the following remains constant?
Horizontal component of velocity
No. 4A bowling ball is dropped and a ping pong ball is thrown horizontally at a speed of 10 m/s from the same height at the same time. Ignoring air resistance, which of the following is true? The bowling ball will hit the ground firstboth balls will hit the ground at the same timeThe ping pong ball will hit the ground firstNo enough data to answer the question
No. 4A bowling ball is dropped and a ping pong ball is thrown horizontally at a speed of 10 m/s from the same height at the same time. Ignoring air resistance, which of the following is true?
both balls will hit the ground at the same time
No. 5Given on the vertical height (y) in a problem, what equation will best solve for t?vf = vi + gty = vit + ½ gt2
v = x/t y = ½ (vf + vi) t
No. 5Given on the vertical height (y) in a problem, what equation will best solve for t?
y = vit + ½ gt2
No. 6Given only time, what equation will you use best to solve for vertical final velocity?vf = vi + gt y = vit + ½ gt2
v = x/ty = ½ (vf + vi) t
No. 6Given only time, what equation will you use best to solve for vertical final velocity?
vf = vi + gt
No. 7Two tennis balls fall from the edge of the table at the same time. The first tennis ball was already rolling with an initial horizontal velocity and the second tennis ball was dropped. Which of the two balls will hit the ground first?The first ball will hit the ground first
both balls will hit the ground at the same timeThe second ball will hit the ground first
No enough data to answer the question
No. 7Two tennis balls fall from the edge of the table at the same time. The first tennis ball was already rolling with an initial horizontal velocity and the second tennis ball was dropped. Which of the two balls will hit the ground first?
both balls will hit the ground at the same time
No. 8A rifle with a muzzle velocity of 100 m/s is fired horizontally from a tower 4.9 m high. The bullet will land:50 m range100 m range200 m range300 m range
No. 8A rifle with a muzzle velocity of 100 m/s is fired horizontally from a tower 4.9 m high. The bullet will land:1. Solve for t 2. solve for dx
No. 8A rifle with a muzzle velocity of 100 m/s is fired horizontally from a tower 4.9 m high. The bullet will land:
100 m range
No. 9A bullet fired horizontally from a gun hits the ground in 0.5 seconds. If it had been fired with a much higher velocity in the same direction, it would hit the ground (ignore earth’s air resistance) in:Less than 0.5 sec0.5 sec more than 0.5 sec 0.5 sec + initial velocity
No. 9A bullet fired horizontally from a gun hits the ground in 0.5 seconds. If it had been fired with a much higher velocity in the same direction, it would hit the ground (ignore earth’s air resistance) in:
0.5 sec
No. 10Two meatballs are rolling over the edge of a cliff. One meatball has a speed of 2 m/s and the other has a speed of 4 m/s. Which meatball will reach the (level) ground first?The faster one the slower oneboth not enough information
No. 10Two meatballs are rolling over the edge of a cliff. One meatball has a speed of 2 m/s and the other has a speed of 4 m/s. Which meatball will reach the (level) ground first?
both
No. 11How many components does a projectile have?012 3
No. 11How many components does a projectile have?
2
No. 12Zac accidentally falls out of a helicopter that is traveling horizontally at 60m/s. He plunges into the water below 3 seconds later. Assuming no air resistance, what is the horizontal distance he travels while falling?29.4 m20 m180 m0.5 m
No. 12Zac accidentally falls out of a helicopter that is traveling horizontally at 60m/s. He plunges into the water below 3 seconds later. Assuming no air resistance, what is the horizontal distance he travels while falling?
180 m
No. 1To investigate the relationship between mass and volume, what is the most important thing for the student to keep the same for each measurement?The amount of lightThe temperatureThe substance the objects are made ofThe shape of the objects
No. 1To investigate the relationship between mass and volume, what is the most important thing for the student to keep the same for each measurement?
The substance The objects are made of
No. 14What physical property is described by the slope of this graph?MassVolumeWeightDensity
No. 14What physical property is described by the slope of this graph?
Density
No. 15The density of the material being studied is most nearly ______.0.50 g/cm3
2.0 g/cm3
5.5 g/cm3
11 g/cm3
No. 15The density of the material being studied is most nearly ______.
0.50 g/cm3
No. 16Predict the mass of a sample having a volume of 18 cm3 (assuming it is made of the same substance).7.00 g9.00 g 11.5 g15.8 g
No. 16Predict the mass of a sample having a volume of 18 cm3 (assuming it is made of the same substance).
9.00 g
No. 17The difference between velocity and acceleration is that: Velocity is a vector quantity and acceleration is a scalar
quantity. Acceleration describes how fast something is going while
velocity describes how quickly the speed of something is changing.
Velocity describes how quickly an object changes its position while acceleration describes how quickly something changes its velocity.
The potential energy of an object is directly proportional to its velocity, while kinetic energy is directly proportional to acceleration.
No. 17The difference between velocity and acceleration is that:
Velocity describes how quickly an object changes its position while acceleration describes
how quickly something changes its velocity.
No. 18A bowling ball is rolling down the hall at a constant speed of 1.5 m/s. How far will the ball roll in 6.0 s?0.25 m4.5 m7.5 m9.0 m
No. 18A bowling ball is rolling down the hall at a constant speed of 1.5 m/s. How far will the ball roll in 6.0 s?
9.0 m
No. 19In a drill during basketball practice, a player runs the length of the 30. meter court and back. The player makes this round trip three times in 60. seconds. What is the average speed of the player during the drill?0.0 m/s0.50 m/s3.0 m/s30. m/s
No. 19In a drill during basketball practice, a player runs the length of the 30. meter court and back. The player makes this round trip three times in 60. seconds. What is the average speed of the player during the drill?
No. 19In a drill during basketball practice, a player runs the length of the 30. meter court and back. The player makes this round trip three times in 60. seconds. What is the average speed of the player during the drill?
3.0 m/s
No. 20As shown in the diagram on the right, a painter climbs 7.3 meters up a vertical scaffold from A to B and then walks 11.0 meters from B to C along a level platform. The magnitude of the painter's total displacement while moving from A to C is3.7 m13.2 m18.3 m25.6 m
No. 20As shown in the diagram on the right, a painter climbs 7.3 meters up a vertical scaffold from A to B and then walks 11.0 meters from B to C along a level platform. The magnitude of the painter's total displacement while moving from A to C is
No. 20As shown in the diagram on the right, a painter climbs 7.3 meters up a vertical scaffold from A to B and then walks 11.0 meters from B to C along a level platform. The magnitude of the painter's total displacement while moving from A to C is
13.2 m
No. 21A bus is traveling east at 15 m/s. A passenger throws a ball towards the back of the bus. The people on the bus see the ball move at 5 m/s. What is the velocity of the ball relative to a person standing on the sidewalk?20m/s east20 m/s west10 m/s east10 m/s west
No. 21A bus is traveling east at 15 m/s. A passenger throws a ball towards the back of the bus. The people on the bus see the ball move at 5 m/s. What is the velocity of the ball relative to a person standing on the sidewalk?
10 m/s east
No. 22Which of the following best describes what the car was doing from 10 to 30 seconds Traveling west at a constant
speed of 2 m Traveling west at a constant
speed of 1.5 m/s Accelerating west at a rate of 1
m/s2. Sitting still at a position 20
meters west of the origin
No. 22Which of the following best describes what the car was doing from 10 to 30 seconds
Sitting still at a position 20 meters west of the origin
No. 23Which the following statements best describes what the car was doing at t=35 s? Sitting still at the origin. Accelerating east at 35 m/s2. Going past the origin while
moving east at 4 m/s. Going past the origin while
moving east at 1.5 m/s.
No. 23Which the following statements best describes what the car was doing at t=35 s?
No. 23Which the following statements best describes what the car was doing at t=35 s?
Going past the origin while moving east at 4 m/s
No. 24The total distance traveled by the car in 50 seconds is ____ and it ends up ______ away from its starting point.100m 60 m80 m 60 m60 m 80 m230 m 10 m
No. 24The total distance traveled by the car in 50 seconds is ____ and it ends up ______ away from its starting point.
100m60 m
No. 25A student throws a baseball vertically upward and then catches it. If upward is the positive direction, which graph best represents the relationship between velocity and time while the baseball is in the air? [Neglect air resistance]
No. 25A student throws a baseball vertically upward and then catches it. If upward is the positive direction, which graph best represents the relationship between velocity and time while the baseball is in the air? [Neglect air resistance]
No. 26What is a projectile?Any object that is thrown an object that has multiple
forces acting on it an object that has only the force
of gravity acting on it
No. 26What is a projectile?
an object that has only the force of gravity
acting on it
No. 27The definition of range isThe horizontal distance traveled by
the projectilehow fast the projectile is movingThe amount of time the projectile
is in airnone of the above
No. 27The definition of range is
The horizontal distance traveled by the projectile
No. 28For projectiles thrown at an angle upward between vertical and horizontal, and considering air resistance to be negligible, which of the following is true: The horizontal component of the velocity is the same
throughout its flight. The acceleration decreases as the projectile moves
upward. The speed is maximum at the highest point in its
trajectory. The acceleration is zero at the highest point in its
trajectory.
No. 28For projectiles thrown at an angle upward between vertical and horizontal, and considering air resistance to be negligible, which of the following is true:
The horizontal component of the velocity is the same
throughout its flight
No. 29 A stone is thrown with an initial speed of 14.4m/s at an angle of 68.6 º above the horizontal. Neglecting air resistance, what is the magnitude (in m/s) of the vertical component of the rock's velocity? 5.25 m/s13.4 m/s14.4 m/s68.6 m/s
No. 29 A stone is thrown with an initial speed of 14.4m/s at an angle of 68.6 º above the horizontal. Neglecting air resistance, what is the magnitude (in m/s) of the vertical component of the rock's velocity?
13.4 m/s
No. 30Projectile motion consists of which coordinates?x, yy, zz, xx, y , z
No. 30Projectile motion consists of which coordinates?
x, y
No. 31Which coordinate is the horizontalxy z
No. 31Which coordinate is the horizontal
x
No. 32Why do we place a negative sign in front of the magnitude of g (9.8 m/s2)because the object is going downbecause the object is going upthe object is going up and downbecause that’s the way it should be
No. 32Why do we place a negative sign in front of the magnitude of g (9.8 m/s2)
because the object is going down
No. 33Without any air-resistance and again, not dependent upon angle of the toss, the time for the ball to go up compared to the time for the ball to come back down is:
the same
No. 34Imagine yourself throwing the football at various angles; some that are at lower angles and others that at higher angles. Zero degrees represents a ball thrown parallel to the ground and ninety degrees represents a ball thrown straight upwards. The angles range then from zero to ninety. At what angle would you throw the ball to reach the highest point above ground? 0o 30o
45o
90o
No. 34Imagine yourself throwing the football at various angles; some that are at lower angles and others that at higher angles. Zero degrees represents a ball thrown parallel to the ground and ninety degrees represents a ball thrown straight upwards. The angles range then from zero to ninety. At what angle would you throw the ball to reach the highest point above ground?
90o
No. 35It's time for the kick-off, the goal is to kick the ball as far down field as possible. At what angle would you kick the ball to reach the farthest point?0o
30o 45o
90o
No. 35It's time for the kick-off, the goal is to kick the ball as far down field as possible. At what angle would you kick the ball to reach the farthest point?
45o
No. 36A car traveling on a straight road at 15.0 meters per second accelerates uniformly to a speed of 21.0 meters per second in 12.0 seconds. The distance traveled by the car during this 12.0 second time interval is36.0 m180. m216 m252 m
No. 36A car traveling on a straight road at 15.0 meters per second accelerates uniformly to a speed of 21.0 meters per second in 12.0 seconds. The distance traveled by the car during this 12.0 second time interval is
216 m
No. 37At t=3.0 s the object is:Sitting stillAccelerating at a rate of 5 m/s2
Moving forward at a constant speed of 5 m/s
Moving forward at a constant speed of 15 m/s
No. 37At t=3.0 s the object is:
Moving forward at a constant speed of 15 m/s
No. 38Determine the acceleration of the object during the 7-10 s time interval.0 m/s2
-5.0 m/s2
-10 m/s2
30 m/s2
No. 38Determine the acceleration of the object during the 7-10 s time interval.
No. 38Determine the acceleration of the object during the 7-10 s time interval.
-10 m/s2
No. 39A ball is dropped from point X at the same instant that a moving cart rolls off the edge of the tabletop. The ball falls straight down and lands at point Y and the cart lands at point Z as shown in the diagram. Compare the time it takes for the cart to travel from X to Z, as compared to the time it takes the ball to fall from X to Y. (ignore air resistance) The cart hits the ground first because it is already
moving when it leaves the table while the ball has zero velocity initially.
The ball hits the ground before the cart because the distance from X to Y is shorter than the distance from X to Z.
The time to fall is the same for both. It is not possible to answer this question without
knowing how fast the cart was moving when it rolled off the table.
No. 39A ball is dropped from point X at the same instant that a moving cart rolls off the edge of the tabletop. The ball falls straight down and lands at point Y and the cart lands at point Z as shown in the diagram. Compare the time it takes for the cart to travel from X to Z, as compared to the time it takes the ball to fall from X to Y. (ignore air resistance)
The time to fall is the same for both.
No. 40How much time is required for the stone to reach the level ground below? 3.19 s5.10 s10.2 s12.5 s
No. 40How much time is required for the stone to reach the level ground below?
No. 40How much time is required for the stone to reach the level ground below?
3.19 s
No. 41How far away from the base of the building does the stone land?6.2 m12.8 m24.6 m54.0 m
No. 41How far away from the base of the building does the stone land?
No. 41How far away from the base of the building does the stone land?
12.8 m
No. 42Which of these is normally sold by the liter?Baked beansmedicinebeer gasoline
No. 42Which of these is normally sold by the liter?
gasoline
No. 43Which SI unit is use to measure temperature?GramcandelaKelvin meter
No. 43Which SI unit is use to measure temperature?
Kelvin
No. 44The standard SI unit for mass
kilogram
No. 45Solve the following problem and express the answer in scientific notation: 4.75×103 kg + 8.24×103 kg.1.299x103 kg1.299×104 kg1299×103 kg12,990 kg
No. 45Solve the following problem and express the answer in scientific
notation: 4.75×103 kg + 8.24×103
kg.1.299×104 kg
No. 46Which is closely aligned with Physics?BiologyhistoryMathZoology
No. 46Which is closely aligned with Physics?
Math
No. 47A branch of physics that deals with forces and motion. Mechanics AcousticsElectromagnetismoptics
No. 47A branch of physics that deals with forces and motion.
Mechanics
No. 48Lenses and telescopes are products of the science Mechanics Acoustics Electromagnetismoptics
No. 48Lenses and telescopes are products of the science
optics
No. 49When you divide mass by volume, you are solving for ____________ and the unit is _________________Speed, m/sdensity, g/mL area, g/cm3
velocity, g/s
No. 49When you divide mass by volume, you are solving for ____________ and the unit is _________________
density, g/mL
No. 50The vector diagram on the right (not drawn to scale) represents the horizontal component, FH, and the vertical component, FV, of a 24-newton force acting at 35º above the horizontal. What are the magnitudes of the horizontal and vertical components?FH = 3.5 N and FV = 4.9 NFH = 4.9 N and FV = 3.5 N FH = 14 N and FV = 20. NFH = 20. N and FV = 14 N•
No. 50The vector diagram on the right (not drawn to scale) represents the horizontal component, FH, and the vertical component, FV, of a 24-newton force acting at 35º above the horizontal. What are the magnitudes of the horizontal and vertical components?
No. 50The vector diagram on the right (not drawn to scale) represents the horizontal component, FH, and the vertical component, FV, of a 24-newton force acting at 35º above the horizontal. What are the magnitudes of the horizontal and vertical components?
FH = 20. N
and FV = 14 N
No. 51Is it possible for an object to move at constant speed without an unbalanced force pulling or pushing it? No, a constant force is needed to keep an object
moving at a constant speed. No, a force is needed to keep an object moving at
constant speed, but it doesn't have to be a constant force.
Yes, an object will move at a constant speed unless a force acts to change its motion.
Yes, an object will move at constant speed as long as the force inside the object doesn't run out.
No. 51Is it possible for an object to move at constant speed without an unbalanced force pulling or pushing it?
Yes, an object will move at a constant speed unless a force
acts to change its motion.
No. 52The diagram below shows three forces acting on an object sliding to the right on a frictionless surface. How will the motion of the object be affected by the forces? The object will stop moving immediately. The object will gradually stop moving. The object will continue to move at a constant speed The object will move in the opposite direction.
No. 52The diagram below shows three forces acting on an object sliding to the right on a frictionless surface. How will the motion of the object be affected by the forces?
The object will continue to move at a constant speed
No. 53After jumping from a desk, a 60-kg student hits the ground at 4 meters per second and comes to a complete stop in 0.2 s. Find the magnitude of the average net force during the landing.20 N600 N1200 N48 N
No. 53After jumping from a desk, a 60-kg student hits the ground at 4 meters per second and comes to a complete stop in 0.2 s. Find the magnitude of the average net force during the landing.
1200 N
No. 54A number of 1.0 newton horizontal forces are exerted on a block on a frictionless, horizontal surface. Which top-view diagram shows the forces producing the greatest magnitude of acceleration of the block?
No. 54A number of 1.0 newton horizontal forces are exerted on a block on a frictionless, horizontal surface. Which top-view diagram shows the forces producing the greatest magnitude of acceleration of the block?
No. 55/56
No. 55/56Which of the following graphs best represents the relationship between the magnitude of the force that the girl applies on her spring scale and time?
No. 57The table below gives the speed of an object every minute from 9:00 am to 9:06 am. Which of the following sets of forces could cause this motion? From 9:00 am to 9:03 am, there is a single force of constant strength acting
on the object. From 9:03 am to 9:06 am, there are no forces acting on the object.
From 9:00 am to 9:03 am, there are no forces acting on the object. From 9:03 am to 9:06 am, there is a single force of constant strength acting on the object.
From 9:00 am to 9:03 am, there is a single force of constant strength acting on the object. From 9:03 to 9:06 am, there is a single force of increasing strength acting on the object.
From 9:00 am to 9:03 am, there is a single force of constant strength acting on the object. From 9:03 am to 9:06 am, there is another constant force of greater strength acting on the object.
No. 57The table below gives the speed of an object every minute from 9:00 am to 9:06 am. Which of the following sets of forces could cause this motion?
From 9:00 am to 9:03 am, there are no forces acting on the object. From 9:03 am
to 9:06 am, there is a single force of constant strength acting on the object.
No. 58A mass hangs from two ropes at unequal angles, as shown above. Which of the following makes correct comparisons of the horizontal and vertical components of the tension in each rope? Horizontal tension Vertical tension
greater in rope B greater in rope B equal in both ropes greater in rope Agreater in rope A greater in rope Agreater in rope B equal in both ropes
No. 58A mass hangs from two ropes at unequal angles, as shown above. Which of the following makes correct comparisons of the horizontal and vertical components of the tension in each rope?
Horizontal tension Vertical tensionequal in both ropes greater in rope
A
No. 59A child pulls a wagon at a constant velocity along a level sidewalk. The child does this by applying a 22-newton force to the wagon handle, which is inclined at 35° to the sidewalk as shown below. What is the magnitude of the force of friction on the wagon?11 N13 N18 N22 N
No. 59A child pulls a wagon at a constant velocity along a level sidewalk. The child does this by applying a 22-newton force to the wagon handle, which is inclined at 35° to the sidewalk as shown below. What is the magnitude of the force of friction on the wagon?
No. 59A child pulls a wagon at a constant velocity along a level sidewalk. The child does this by applying a 22-newton force to the wagon handle, which is inclined at 35° to the sidewalk as shown below. What is the magnitude of the force of friction on the wagon?
18 N
No. 60Starting from rest, a 45.0 kg box speeds up by 0.800 m/s each second when pulled across the floor by a horizontal force of 117 N. What is the coefficient of friction between the box and and the floor? 0.1840.265 0.450.692
45 kg117 N
No. 60Starting from rest, a 45.0 kg box speeds up by 0.800 m/s each second when pulled across the floor by a horizontal force of 117 N. What is the coefficient of friction between the box and and the floor?
45 kg117 N
No. 60Starting from rest, a 45.0 kg box speeds up by 0.800 m/s each second when pulled across the floor by a horizontal force of 117 N. What is the coefficient of friction between the box and and the floor?
0.184 45 kg117 N
PROBLEM SOLVING
Write the equation, solve
it later.
No. 60Elliot jumps horizontally from the top of a building that is 20.0 m high. He hopes to reach a swimming pool that is at the bottom of the building, 14.0 m
horizontally from the edge of the building. To make it to the pool what horizontal speed does he need
to jump with?1. Solve for t 2. solve for vx
No. 61A rock is thrown horizontally from a cliff (65.0 meters high) at 25.0 m/s. (A) How long is the rock in air? What will its horizontal displacement be? What will its horizontal and vertical velocities before it hits the ground? What will its velocity be (speed and direction) as it hits the ground?
No. 63A weather station releases a balloon to measure cloud conditions that rises at a constant 15.0 m/s relative to the air, but there is also a wind blowing at 6.50 m/s toward the west. What are the speed
and direction of the velocity of the balloon?
No. 64A pool ball leaves a 0.60-meter high table with an initial horizontal velocity of 2.4 m/s.
– Calculate the time required for the pool ball to fall to the ground.
– What is the horizontal distance between the table's edge and the ball's landing location?
– What is the speed of the pool ball when it hit the ground?
– If the pool ball has twice the initial horizontal velocity, how would the time of flight and the horizontal distance differ with your answers in part a and part b, respectively?
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