Conceptual Physical Science (6th Edition)
6th Edition
ISBN: 9780134060491
Author: Paul G. Hewitt, John A. Suchocki, Leslie A. Hewitt
Publisher: PEARSON
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Chapter 2, Problem 54TAS
A rock band’s tour bus, mass M, is accelerating away from a stop sign at rate a when a piece of heavy metal, mass M/5, falls onto the top of the bus and remains there.
(a) Show that the bus’s acceleration is now 
a.
(b) If the initial acceleration of the bus is 1.2 m/s2, show that when the bus carries the heavy metal with it, the acceleration will be 1.0 m/s2.
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Chapter 2 Solutions
Conceptual Physical Science (6th Edition)
Ch. 2 - State the law of inertia.Ch. 2 - Is inertia a property of matter or a force of some...Ch. 2 - What concept was missing from people's minds in...Ch. 2 - When a bird lets go of a branch and drops to the...Ch. 2 - What kind of path would the planets follow if...Ch. 2 - State Newton's second law.Ch. 2 - Is acceleration directly or inversely proportional...Ch. 2 - Is acceleration directly or inversely proportional...Ch. 2 - If the mass of a sliding block is tripled at the...Ch. 2 - What is the net force that acts on a 10-N freely...
Ch. 2 - Why doesnt a heavy object accelerate more than a...Ch. 2 - What is the net force that acts on a 10-N falling...Ch. 2 - What two principal factors affect the force of air...Ch. 2 - What is the acceleration of a falling object that...Ch. 2 - If two objects of the same size fall through air...Ch. 2 - Why does a heavy parachutist fall faster than a...Ch. 2 - Earlier in this chapter, we treated force as a...Ch. 2 - How many forces are required for a single...Ch. 2 - When you push against a wall with your fingers,...Ch. 2 - A boxer can hit a heavy bag with great force. Why...Ch. 2 - State Newtons third law.Ch. 2 - Consider hitting a baseball with a bat. 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Does it...Ch. 2 - A friend says that Al cannot push on the tree...Ch. 2 - Why can a boxer hit a heavy opponent harder for...Ch. 2 - When you stand on a floor, does the floor exert an...Ch. 2 - Why can you exert greater force on the pedals of a...Ch. 2 - The strong man will push apart the two initially...Ch. 2 - Suppose two carts, one twice as massive as the...Ch. 2 - Two 100-N weights are attached to a spring scale...Ch. 2 - Prob. 83ECh. 2 - When the athlete holds the barbell overhead, the...Ch. 2 - Consider the two forces acting on the person who...Ch. 2 - If a Mack truck and a motorcycle have a head-on...Ch. 2 - Two people of equal mass attempt a tug-of-war with...Ch. 2 - Suppose that one of the people in Exercise 87 has...Ch. 2 - Which team wins in a tug-of-war: the team that...Ch. 2 - The photo shows Steve Hewitt and his daughter...Ch. 2 - When your car moves along the highway at constant...Ch. 2 - The auto in the sketch moves forward as the brakes...Ch. 2 - A racing car travels along a straight raceway at a...Ch. 2 - If it were not for air resistance, would it be...Ch. 2 - When you toss a coin upward, what happens to its...Ch. 2 - Discuss whether or not a stick of dynamite...Ch. 2 - In an orbiting space craft, you are handed two...Ch. 2 - Each of the vertebrae forming your spine is...Ch. 2 - Before the time of Galileo and Newton, many...Ch. 2 - The opening photo in this chapter shows a favorite...Ch. 2 - Consider a ball at rest in the middle of a toy...Ch. 2 - If youre in a car at rest that gets hit from...Ch. 2 - Why do you lurch forward in a bus that suddenly...Ch. 2 - Suppose that youre in a moving car and the engine...Ch. 2 - A rocket becomes progressively easier to...Ch. 2 - If you drop an object, its acceleration toward the...Ch. 2 - Can you think of a reason why the acceleration of...Ch. 2 - You throw a ball straight upward. 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