v b 4/3

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0 3 4 2 1 A B C E D V B4/3 V B3/0 V B2/0 V B2/3 V D2/0 V D1/0 V D1/2 VD1/0 : 14,4 cm ED = 25 x 5 = 125 mm 1/0 = ||VD1/0|| ED ||VD1/0|| = 14,4 mm/s 1/0 = 14,4 125 = 0,115 rad/s B2/0 : 11,3 cm CB = 33 x 5 = 165 mm 2/0 = ||VB2/0|| CB ||VB2/0|| = 11,3 mm/s 2/0 = 11,3 165 = 0,0685 rad/s ||VD2/0|| = CD . 2/0 CD = 39 x 5 = 195 mm = 195 x 0,0685 = 13,4 mm/s VD2/0 : 13,4 cm V B2/0 = V B2/3 +V B3/0 (AB) (CB) Connue V B2/3 = V B2/4 +V B4/3 Connue = O V B2/3 = V B2/4 V D1/0 = V D1/2 +V D2/0 (ED) Connue VD2/0 (CD)

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V B 2/0 = V B 2/3 +V B 3/0. V D 1/0 = V D 1/2 +V D 2/0. V B 2/3 = V B 2/4 +V B 4/3. = O. V B 2/3 = V B 2/4. 0. 1. A. C. ||V D 2/0 || = CD . w 2/0. ||V D 1/0 || = 14,4 mm/s. ||V B 2/0 || = 11,3 mm/s. 3. E. D. 4. B. V D 2/0  (CD). V D 1/0 : 14,4 cm. - PowerPoint PPT Presentation

TRANSCRIPT

Page 1: V B 4/3

0

3

4

2

1

A

B

C

E D

VB4/3

VB3/0

VB2/0

VB2/3

VD2/0

VD1/0

VD1/2

VD1/0 : 14,4 cm

ED = 25 x 5 = 125 mm

1/0 = ||VD1/0||

ED

||VD1/0|| = 14,4 mm/s

1/0 = 14,4125 = 0,115 rad/sVB2/0 : 11,3 cm

CB = 33 x 5 = 165 mm

2/0 = ||VB2/0||

CB

||VB2/0|| = 11,3 mm/s

2/0 = 11,3165 = 0,0685 rad/s

||VD2/0|| = CD . 2/0

CD = 39 x 5 = 195 mm

= 195 x 0,0685 = 13,4 mm/s

VD2/0 : 13,4 cm

VB2/0 = VB2/3 +VB3/0

(AB)(CB) Connue

VB2/3 = VB2/4 +VB4/3

Connue= O

VB2/3 = VB2/4

VD1/0= VD1/2 +VD2/0

(ED) Connue

VD2/0 (CD)