Question

Pls answer to this q I need urgently

Answer 1

at height 2m P.E is 400J and K.E is also 400J. then Ep+Ek=800J

At height 1m P.Eis 200J and K.E is 600J

Then M.E is 800J

YOU question is some one wrong

at height 3m P.E =600J & K.E=200J