Question

An object of mass 50 kg at a height of 20m has a potential energy of 10000J Find the kinetic energy at a height of 5m​

Answer 1

Answer:

i domt know the answer sorry

Explanation:

but u cam find it in googlrsimplify a^2 - 13a +30/a - 10 = a^2 + 4a +4/ a+2