complete solutions aparate sheet of paper. 1. Suppose that a ball is dropped from a tower 70.0 m high. How far will it fall after 3.00 s? 2. A construction worker accidentally drops a brick from What is the brick's velocity after 4000 3. John throws a ball un Calculat

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Chapter1: Units, Trigonometry. And Vectors
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barate sheet of paper.
3. John throws a ball upward into the air with an initial velocity of 15.0 m/s.
1. Suppose that a ball is dropped from a tower 70.0 m high. How far will it
fall after 3.00 s?
2. A construction worker accidentally drops a brick from a high scano.
What is the brick's velocity after 4.0 s?
Calculate:
a. how high it goes, and
b. how long is the ball in the air before it comes back to his hand.
4. The free fall acceleration on Mars is about one-third that on Earth. What
if
you
throw a ball upward with the same velocity on Mars as on Earth,
a. How would you compare the ball's maximum height to that on Earth?
b. How would its flight time compare?
5. CHALLENGE PROBLEM: A stone is thrown vertically upward with a
speed of 12.0 m/s from the edge of a cliff_75.0 m high.
a. At what time will it reach the bottom of the cliff?
b. What is its speed just before hitting?
c. What total distance did it travel?
Transcribed Image Text:complete solutions barate sheet of paper. 3. John throws a ball upward into the air with an initial velocity of 15.0 m/s. 1. Suppose that a ball is dropped from a tower 70.0 m high. How far will it fall after 3.00 s? 2. A construction worker accidentally drops a brick from a high scano. What is the brick's velocity after 4.0 s? Calculate: a. how high it goes, and b. how long is the ball in the air before it comes back to his hand. 4. The free fall acceleration on Mars is about one-third that on Earth. What if you throw a ball upward with the same velocity on Mars as on Earth, a. How would you compare the ball's maximum height to that on Earth? b. How would its flight time compare? 5. CHALLENGE PROBLEM: A stone is thrown vertically upward with a speed of 12.0 m/s from the edge of a cliff_75.0 m high. a. At what time will it reach the bottom of the cliff? b. What is its speed just before hitting? c. What total distance did it travel?
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