From a roof that is at a height of 12 m from the ground a ball is thrown straight up at 24 m/s. What is the speed of the ball when it hits the ground.
A ball is thrown vertically upwards with a speed of 24 m/s from a roof that is at a height of 12 m from the ground.
As the ball rises up, there is a gravitational force of attraction that accelerates the ball at 9.8 m/s^2 in a direction vertically downwards. Due to the gravitational...
(The entire section contains 162 words.)
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