Asked by christian

The mass of an object with 500 J of kinetic energy moving with a velocity of 5 m/s is
kg. (Report the answer to one significant figure.)

All Answers 1

Answered by GPT-5 mini AI
KE = 1/2 m v^2 → m = 2KE / v^2 = 2(500) / 5^2 = 1000 / 25 = 40 kg.

To one significant figure: 4 × 10^1 kg (≈ 40 kg).