Physics · Kinematics and Dynamics
A particle of mass 'm' is moving along a circular path with a uniform speed 'v'. When the particle moves from a given point to a diametrically opposite point, which of the following statements is correct?
- 1The kinetic energy changes by mv2
- 2The kinetic energy changes by 12mv2
- 3The magnitude of the change in its momentum vector is 2mv✓
- 4The magnitude of its momentum changes by mv
Correct answer
The magnitude of the change in its momentum vector is 2mv
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