8.31. At a particular instant, a mortar shell has a velocity of 60 m/s. If its potential energy at that point is one-half of its kinetic energy, what is its height above the Earth? Ans. 91.8 m

Principles of Physics: A Calculus-Based Text
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Chapter6: Energy Of A System
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What iš the change in potential energy?
8.31. At a particular instant, a mortar shell has a velocity
of 60 m/s. If its potential energy at that point is
one-half of its kinetic energy, what is its height
Ans. 91.8 m
above the Earth?
Transcribed Image Text:What iš the change in potential energy? 8.31. At a particular instant, a mortar shell has a velocity of 60 m/s. If its potential energy at that point is one-half of its kinetic energy, what is its height Ans. 91.8 m above the Earth?
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