Kinematics Question 529

Question: A particle is moving on a circular path of radius r with uniform velocity v. The change in velocity when the particle moves from P to Q it’s (POQ=40)

Options:

A) 2vcos40

B) 2vsin40

C) 2vsin20

D) 2vcos20

Show Answer

Answer:

Correct Answer: C

Solution:

[c] Change in velocity =2vsin(θ/2)=2vsin20



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