A ball is thrown horizontally from the top of a 60.0-m building and lands 100.0 m from the base of the building. Ignore air resistance.
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Question 1
1.
How long is the ball in the air?
Question 2
2.
What must have been the initial horizontal component of the velocity?
Question 3
3.
What is the vertical component of the velocity just before the ball hits the ground?
Question 4
4.
What is the velocity (including both the horizontal and vertical components) of the ball just before it hits the ground?
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Question 5
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A tennis ball is struck such that it leaves the racket horizontally with a speed of 28.0 m/s. The ball hits the court at a horizontal distance of 19.6 m from the racket. What is the height of the tennis ball when it leaves the racket?
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Question 6
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Can a goalkeeper at his goal kick a soccer ball into the opponent’s goal without the ball touching the ground? The distance will be about 95 m. A goalkeeper can give the ball a speed of 30 m/s. Explain why or why not
