Net Work & Kinetic Energy Video Lessons

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Problem: An object speed is increased by a factor of three. What does this do to its kinetic energy?a) the kinetic energy increases by a factor of threeb) the kinetic energy increases by a factor of twoc) the kinetic energy increases by more than a factor of threed) the kinetic energy cannot be determinede) the kinetic energy increases, but less than by a factor of twof) It does not affect the kinetic energy

FREE Expert Solution

Kinetic energy:

K=12mv2

K0 = (1/2)mv2 

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Problem Details

An object speed is increased by a factor of three. What does this do to its kinetic energy?

a) the kinetic energy increases by a factor of three

b) the kinetic energy increases by a factor of two

c) the kinetic energy increases by more than a factor of three

d) the kinetic energy cannot be determined

e) the kinetic energy increases, but less than by a factor of two

f) It does not affect the kinetic energy

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