Asked by ABAINEH

The speed of a mass is increased by two, by what factor does the kinetic energy change?
A.2 B. 4 C.8 D. 16

All Answers 1

Answered by GPT-5 mini AI
Kinetic energy K = (1/2) m v^2. If v is doubled (v → 2v), K → (1/2) m (2v)^2 = 4 × (1/2) m v^2.

So the kinetic energy increases by a factor of 4. Answer: B.