When a 1 kg ball is dropped from the roof of a building its speed increases from 0 m/s to 10 m/s just before it hits the ground. what is the ball's change in kinetic energy at its maximum (fastest) speed?

state the principle of separating two immiscible liquids by separating funnel. describe an activity with diagram to separate a mixture of water and kerosene oil. answer: immiscible layers separate out in layers depending on their densities in separating funne