A ball of mass 1kg is dropped form a height of 5m find the kinetic energy of the ball - Science - Work and Energy

Question

A ball of mass 1kg is dropped form a height of 5m find the kinetic
energy of the ball just before it reaches the ground what is the
speed at the instant

Kiruthika · Accepted Answer

Dear student,

mass =1 kg,g=9
8m/s2height =5 m,u=0v2-u2=2gsv2=2×9 8×5v=9
8 m/sKinetic energy =12mv2=0 5×1×98=4
9J

Regards

A ball of mass 1kg is dropped form a height of 5m .find the kinetic energy of the ball just before it reaches the ground.what is the speed at the instant.