12th Edition

ISBN: 9781259977305

Author: BEER, Ferdinand P. (ferdinand Pierre), Johnston, E. Russell (elwood Russell), Cornwell, Phillip J., SELF, Brian P.

Publisher: Mcgraw-hill Education,

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be create…

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Textbook Question

Chapter 11.3, Problem 11.62P

A particle moves in a straight line with a constant acceleration of -4 ft/s² for 6 s, zero acceleration for the next 4 s, and a constant acceleration of +4 ft/s² for the next 4 s. Knowing that the particle starts from the origin with v 0 = 16 ft/s, (a) construct the v − t and x − t curves for 0 ≤ t ≤ 14 s, (b) determine the amount of time during which the particle is further than 16 ft from the origin.

Chapter 11.3, Problem 11.62P, A particle moves in a straight line with a constant acceleration of -4 ft/s2 for 6 s, zero

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Chapter 11.3, Problem 11.61P

Chapter 11.3, Problem 11.63P

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A particle moves in a straight line with a constant acceleration of -4 ft/s2 for 6 s, zero acceleration for the next 4 s, and a constant acceleration of +4 ft/s2 for the next 4 s. Knowing that the particle starts from the origin and that its velocity is -8 ft/s during the zero acceleration time interval, (a) construct the v-t and x-t curves for 0 ≤ t≤ 14 s, (b ) determine the position and the velocity of the particle and the total distance traveled when t= 14 s.

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Solution Summary: The author illustrates the construction of v-t and -x curves for a given particle. The equation for velocity, acceleration, and time is written.

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