Kinematics Question 565

Question: A body of mass m moving with a uniform speed v along a circle of radius r. The change in velocity in going from A to b is [DPMT 2004]

Options:

A) v2

B) v/2

C) v

D) Zero

Show Answer

Answer:

Correct Answer: A

Solution:

|Δv|=2vsin(θ/2)=2vsin(902)=2vsin45

=v2



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