University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter8: Potential Energy And Conservation Of Energy
Section: Chapter Questions
Problem 37P: Assume that the force of a bow on an arrow behaves like the spring force. In aiming the arrow, an...
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Question
If a projectile with a mass of 9.90 g is traveling at a speed of 1.21km/s, determine the following.
(a) kinetic energy of the projectile in kilojoules
1 kJ
(b) kinetic energy of the projectile in kilojoules, if its speed is reduced by a factor of two
2 kJ
(c) kinetic energy of the projectile in kilojoules, if its original speed is increased by a factor of three
3 kJ
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