What is the magnitude of the velocity of the book

Reference no: EM13335782

A student standing on a stationary skateboard tosses a textbook with a mass of mb = 2 kg to a friend standing in front of him. The student and the skateboard have a combined mass of mc = 115 kg and the book leaves his hand at a velocity of 4.95 m/s at an angle of 45° with respect to the horizontal.

a. write the expression for the magnitude of the velocity of the book?

b. What is the magnitude of the velocity of the book?

c. what is the magnitude of the momentum , which was transfered from the skateboard to the earth during the ttime the book is being thrown?

Reference no: EM13335782

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