Net Work & Work-Energy Theorem Video Lessons

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Problem: a) If the kinetic energy of a particle is tripled, by what factor has its speed increased?b) If the speed of a particle is halved, by what factor does its kinetic energy change?

FREE Expert Solution

Kinetic energy:

K.E=12mv2

Kinetic energy is directly proportional to the square of particle's speed.

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Problem Details

a) If the kinetic energy of a particle is tripled, by what factor has its speed increased?

b) If the speed of a particle is halved, by what factor does its kinetic energy change?

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