Question

a boy of mass 30g falls with a velocity of 1.5m/s assuming g= 10m/s2 calculate potential energy (mgh) and kinetic energy (1/2mv^2)​

Answer 1

boys mass= 30g =.03kg

u of boy = 1.5m/s

g= 10 m/s^2

potenial energy =mgh

potential energy = 0.49J