A 2-kg book falls off a shelf. It hits a student traveling 2 m/s. How much kinetic energy does the book have? 8 J 2 J 1 J 4 J

asked Jun 16, 2018 65.7k views

5 votes

A 2-kg book falls off a shelf. It hits a student traveling 2 m/s. How much kinetic energy does the book have?

8 J

2 J

1 J

4 J

8.5k points

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3 votes

4 J

1/2 mv^2 is ke formula

Tooshel answered Jun 22, 2018

8.3k points

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