When you throw a ball upward, its kinetic energy and its potential energy . when the ball reaches maximum height, its kinetic energy is at a .

When the ball reaches maximum height,its kinetic energy is zero and is converted to potential energy and the velocity of the ball is zero.

Explanation:

When the ball is falling to the ground,the potential energy is then converted to kinetic energy.

electrical power

force is mass*acceleration.

we have a very small mass: 11.4*0.001 kg

if we want 0.035n of force, we need an acceleration:

0.035 = 11.4*0.001*a

a = 0.035/(11.4*0.001) m/s^2