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Homework answers / question archive / A student standing on a stationary skateboard tosses a textbook with a mass of m1,-1

A student standing on a stationary skateboard tosses a textbook with a mass of m1,-1

Physics

A student standing on a stationary skateboard tosses a textbook with a mass of m1,-1.4 kg to a friend standing in front of him. The student and the skateboard have a combined mass of me-91 kg and the book leaves his hand at a velocity of vb = 2.42 m/s at an angle of 24° with respect to the horizontal Randomized Variables mb 14 kg mc 91 kg Vh 2.42 m/s 33% Part (a) Write an expression for the magnitude of the velocity of the student, vs, after throwing the book Grade Summary Deductions Potential Late work % 82% Late Potential 82% 0% cos(α) sin(α) cos(φ) sin(φ) cos(0) sin(0) Submissions Attempts remaining: 8 (4% per attempt) detailed view 1 2 3 0 0 Submit Hint I give up! Hints: 2% deduction per hint. Hints remaining: 3 Feedback: 0% deduction per feedback. Δ 33% Part (b) Calculate the magnitude of the velocity of the student, vs, in meters per second? D Δ 33% Part (c) What is the magnitude of the momentum, Pe, which was transferred from the skateboard to the the Earth during the time the book is being thrown (in kilogram meters per second)?

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