Question

A BOY OF MASS 20 KG CLIMBS UP A ROPE THROUGH A HEIGHT OF 7 METER AND HE TAKES 10 SEC TO DO SO. WHAT IS THE POTENTIAL ENERGY? [G=10M/S^2]

Answer 1

Answer:

potential energy=mgh

=20×10×7

=1400

Answer 2

Explanation:

m=20kg

height raised=7m

acceleration due to gravity=10M/S^2

potential energy =mgh

=20×7×10

=1400Joules