TO 4. The kinetic energy of an object varies jointly with the mass of the object and the square of its velocity. If the kinetic energy of a 3 kg ball traveling 12 m/s is 216 Joules, what is the mass of a ball that generates 256 Joules of energy when traveling at 8 m/s?

TO 4. The kinetic energy of an object varies jointly with the mass of the object and the square of its velocity. If the kinetic energy of a 3 kg ball traveling 12 m/s is 216 Joules, what is the mass of a ball that generates 256 Joules of energy when traveling at 8 m/s?

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter5: Relativity

Section: Chapter Questions

Problem 70P: Alpha decay is nuclear decay in which a helium nucleus is emitted. If the helium nucleus has a mass...

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Concept explainers

Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.

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4. The kinetic energy of an object varies jointly with the mass of the object and the square
of its velocity. If the kinetic energy of a 3 kg ball traveling 12 m/s is 216 Joules, what is
the mass of a ball that generates 256 Joules of energy when traveling at 8 m/s?

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