The ball of mass 1000g is dropped from a height of 25m. Calculate,

Question

1. The potential energy
2. Velocity

Answer 1

1. P.E. = mass * g * height = 1 kg * 9.8 m/s^2 * 25 m

2. P.E. top = K.E bottom

m g h = 1/2 m v ^2 ... v = √(2 g h)