mvamaranda mvamaranda

07-02-2017
Mathematics

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

(30 points)

Respuesta :

sciencific sciencific

07-02-2017

E= 1/2 mv^2
E=1/2 *2* (2^2)
E=4 m/s

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