Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN: 9781305116399
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 2, Problem 2.6CQ
You throw a ball vertically upward so that it leaves the ground with velocity +5.00 m/s. (a) What is its velocity when it reaches its maximum altitude? (b) What is its acceleration at this point? (c) What is the velocity with which it returns to ground level? (d) What is its acceleration at this point?
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1. An object is thrown vertically upward from the ground and is seen to pass the top of a building with a speed of 15 m/s. If height of the building is 30 m:
(a) With what velocity was the object thrown from the ground?
(b) What is the maximum height reached by this object?
(c) When will the object reach the ground again?
A ball is thrown vertically upward with a speed of 15.0 m/s.
(a) How high does it rise?
(b) How long does it take to reach its highest point?
(c) How long does it take to hit the ground after it reaches its highest point?
(d) What is its speed when it returns to the level from which it started?
A diver springs upward with an initial speed of 2.1 m/s from a 3.5-m board.
(a)
Find the velocity with which he strikes the water (Hint: When the diver reaches the water, his displacement is y=-3.5 m (measured from the board), assuming that the downward direction
is chosen as the negative direction.)
8.54
x m/s
(b) What is the Nighest point he reaches above the water?
39
xm
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Chapter 2 Solutions
Physics for Scientists and Engineers, Technology Update (No access codes included)
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