defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Physics Motion in Two and Three Dimensions Circular motion
A particle is moving with constant speed in horizontal circle of radius R. Then in completing half cycle:
1
change in momentum is mvr
2
change in kinetic energy is \(\frac{1}{2}\) mvr
3
Change in kinetic energy is mv2
4
change in kinetic energy is zero