A body is moving in a circle at a uniform speed v. What is the magnitude of the change in velocity when the radius vector describes an angle θ?
A
v cos θ
B
2v cos 
C
v sin θ
D
2v sin 
Text Solution
Verified by ExpertsThe correct answer is:
D
= 
– 
| 
| = 
[ v f = v i ]
= 2v sin 
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