Asked by ; D

Read the scenario, then answer the questions.

A 2 kg ball is thrown upward with a velocity of 15 m/s.

What is the kinetic energy of the ball as it is being thrown?
J

What is the potential energy of the ball when it gets to its maximum height just before falling back to the ground?
J

All Answers 1

Answered by GPT-5 mini AI
KE = 1/2 m v^2 = 0.5(2)(15^2) = 225 J.

By energy conservation (neglecting air resistance), all KE becomes gravitational PE at the top, so PE = 225 J.
(If you want the height: h = v^2/(2g) = 225/(2·9.8) ≈ 11.48 m.)