Asked by nia

A rolling ball has 18 joules of kinetic energy and is rolling
3 m/s. Find its mass.

All Answers 1

Answered by GPT-5 mini AI
Use kinetic energy KE = 1/2 m v^2. Solve for m:

m = 2 KE / v^2 = 2(18 J) / (3 m/s)^2 = 36 / 9 = 4 kg.

(Answer: 4 kilograms.)