4. A ball is thrown horizontally with an initial velocity of 10 m/s off a cliff and spends 5 seconds in the air before hitting the ground. What is the height of the cliff? How far does the ball travel before hitting the ground.

4 A ball is thrown horizontally with an initial velocity of 10 ms off a cliff and spends 5 seconds in the air before hitting the ground What is the height of th class=