Q
If an object's velocity is doubled, what happens to its momentum and kinetic energy?
RRB Group D; RRB Group D
05/11/2018 / Shift-I; 26/11/2018 / Shift-III
2018
✓ Answer:
C
Momentum becomes 2 times and kinetic energy 4 times.
Momentum is proportional to v, while kinetic energy is proportional to v².