Net Work & Kinetic Energy Video Lessons

Concept

Problem: Adult cheetahs, the fastest of the great cats, have a mass of about 70.0 kg and have been clocked at up to 72.0 mph (32.2 m/s ).You may want to review (Pages 177 - 182). For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Using work and energy to calculate speed.How many joules of kinetic energy does such a swift cheetah have?By what factor would its kinetic energy change if its speed were doubled?

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Adult cheetahs, the fastest of the great cats, have a mass of about 70.0 kg and have been clocked at up to 72.0 mph (32.2 m/s ).

You may want to review (Pages 177 - 182).

For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Using work and energy to calculate speed.

How many joules of kinetic energy does such a swift cheetah have?

By what factor would its kinetic energy change if its speed were doubled?