Integrated Science
7th Edition
ISBN: 9780077862602
Author: Tillery, Bill W.
Publisher: Mcgraw-hill,
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Chapter 3, Problem 18CQ
To determine
The examples for negative potential energy and the clear concept for each.
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Integrated Science
Ch. 3.1 - The metric unit of a joule (J) is a unit of a....Ch. 3.1 - Prob. 2SCCh. 3.1 - Prob. 3SCCh. 3.1 - About how many watts are equivalent to 1...Ch. 3.1 - A kilowatt-hour is a unit of a. power. b. work. c....Ch. 3.2 - The potential energy of a book on a shelf,...Ch. 3.2 - Prob. 7SCCh. 3.2 - Prob. 8SCCh. 3.3 - Prob. 9SCCh. 3.3 - Prob. 10SC
Ch. 3.4 - The accounting device of a barrel of oil is...Ch. 3.4 - The most widely used source of energy today is a....Ch. 3 - How is work related to energy?Ch. 3 - Prob. 2CQCh. 3 - Prob. 3CQCh. 3 - Prob. 4CQCh. 3 - Prob. 5CQCh. 3 - Prob. 6CQCh. 3 - Prob. 7CQCh. 3 - Prob. 8CQCh. 3 - Prob. 9CQCh. 3 - Prob. 10CQCh. 3 - Prob. 11CQCh. 3 - Prob. 12CQCh. 3 - Prob. 13CQCh. 3 - Prob. 14CQCh. 3 - Prob. 15CQCh. 3 - Prob. 16CQCh. 3 - Prob. 17CQCh. 3 - Prob. 18CQCh. 3 - Prob. 19CQCh. 3 - Prob. 20CQCh. 3 - Prob. 21CQCh. 3 - A force of 200 N is needed to push a table across...Ch. 3 - Prob. 2PEACh. 3 - Prob. 3PEACh. 3 - Prob. 4PEACh. 3 - Prob. 5PEACh. 3 - Prob. 6PEACh. 3 - Prob. 7PEACh. 3 - Prob. 8PEACh. 3 - Prob. 9PEACh. 3 - (a) How much work is done in moving a 2.0 kg book...Ch. 3 - Prob. 11PEACh. 3 - Prob. 12PEACh. 3 - Work of 1,200 J is done while pushing a crate...Ch. 3 - How much work is done by a hammer that exerts a...Ch. 3 - A 5.0 kg textbook is raised a distance of 30.0 cm...Ch. 3 - An electric hoist does 196,000 J of work in...Ch. 3 - What is the horsepower of a 1,500.0 kg car that...Ch. 3 - What is the kinetic energy of a 30.0 g bullet that...Ch. 3 - How much work will be done by a 30.0 g bullet...Ch. 3 - A 10.0 kg box is lifted 15 m above the ground by a...Ch. 3 - A force of 50.0 lb is used to push a box 10.0 ft...Ch. 3 - Prob. 10PEBCh. 3 - Prob. 11PEBCh. 3 - A 70.0 kg student runs up the stairs of a football...
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- What is the difference between energy conservation and the law of conservation of energy? Give some examples of each.arrow_forwardConstruct Your Own Problem Consider humans generating electricity by pedaling a device similar to a stationary bicycle. Construct a problem in which you determine the number of people it would take to replace a large electrical generation facility. Among the things to consider are the power output that is reasonable using the legs, rest time, and the need for electricity 24 hours per day. Discuss the practical implications of your results.arrow_forwardThere is a 5K event coming up in your town. While talking to your grandmother, who uses an electric scooter for mobility, she says that she would like to accompany you on her scooter while you walk the 5.00-km distance. The manual that came with her scooter claims that the fully charged battery is capable of providing 120 Wh of energy before being depleted. In preparation for the race, you go for a test drive: beginning with a fully charged battery, your grandmother rides beside you as you walk 5.00 km on flat ground. At the end of the walk, the battery usage indicator shows that 40.0% of the original energy in the battery remains. You also know that the combined weight of the scooter and your grandmother is 890 N. A few days later, filled with confidence that the battery has sufficient energy, you and your grandmother drive to the 5K event. Unbeknownst to you, the 5K route is not on flat ground, but is all uphill, ending at a point higher than the starting line. A race official tells you that the total amount of vertical displacement on the route is 150 m. Should your grandmother accompany you on the walk, or will she be stranded when her battery runs out of energy? Assume that the only difference between your test drive and the actual event is the vertical displacement.arrow_forward
- In 1990, Walter Arfeuille of Belgium lifted a 281.5-kg object through a distance of 17.1 cm using only his teeth. (a) How much work was done on the object by Arfeuille in this lift, assuming the object was lifted at constant speed? (b) What total force was exerted on Arfeuilles teeth during the lift?arrow_forwardReview Return to Chapter 8 and the potential energy associated with both gravity near the surface of the Earth and universal gravity. a. What does the term reference configuration mean in the context of gravity? b. Suppose a system consists of an apple and the Earth, with the reference configuration set so that the systems gravitational potential energy is zero when the apple is on your desk. If the apple is above the desk, is the potential energy positive, negative, or zero? c. What is the conventional reference configuration for universal gravity? Why is that a convenient reference configuration? If a system consists of an apple and the Earth, does the systems gravitational potential energy increase, decrease, or stay the same as you raise the apple upward?arrow_forwardIn 1990 Walter Arfeuille of Belgium lifted a 281.5-kg object through a distance of 17.1 cm using only his teeth. (a) How much work did Arfeuille do on the object? (b) What magnitude force did he exert on the object during the lift, assuming the force was constant?arrow_forward
- (a) Suppose a constant force acts on an object. The force does not vary with time or with the position or the velocity of the object. Start with the general definition for work done by a force W=ifFdr and show that the force is conservative, (b) As a special case, suppose the force F =(3i + 4j)N acts on a particle that moves from O to in Figure P7.43. Calculate the work done by F on the particle as it moves along each one of the three paths shown in the figure and show that the work done along the three paths identical.arrow_forwardExplain, in terms of the definition of power, why energy consumption is sometimes listed in kilowatt-hours rather than joules. What is the relationship between these two energy units?arrow_forwardUsing values from Table 8.1, how many DNA molecules could be broken by the energy carried by a single electron in the beam of an old-fashioned TV tube? (These electrons were not dangerous in themselves, but they did create dangerous X-rays. Later-model tube TVs had shielding that absorbed X-rays before they escaped and exposed viewers.)arrow_forward
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Kinetic Energy and Potential Energy; Author: Professor Dave explains;https://www.youtube.com/watch?v=g7u6pIfUVy4;License: Standard YouTube License, CC-BY