Kinematics Question 784
Question: A particle is moving in a circle with uniform speed v.In moving from a point to another diametrically opposite point[Or it’ssa JEE 2003]
Options:
A) The momentum changes by mv
B) The momentum changes by 2mv
C) The kinetic energy changes by (1/2)mv2
D) The kinetic energy changes by mv2
Show Answer
Answer:
Correct Answer: B
Solution:
Momentum changes by 2mv but kinetic energy remains same.
