A contestant in a winter sporting event pushes a 47 kg block of ice at an angle 25° below the positive direction across a frozen lake as shown in the figure. Assume the coefficients of static and kinetic friction are με = 0.1 and μk = 0.03. 25° F Otheexpertta.com Part (a) Calculate the minimum force Fmin he must exert to get the block sliding across the ice in newtons. Fmin = 48.56 N * Attempts Remain Feedback: Carefully check your free body diagram: the force of pushing is directed below the horizontal, not above. Part (b) What is its acceleration in meters per second squared once it starts to move, if that minimum force is maintained?

A contestant in a winter sporting event pushes a 47 kg block of ice at an angle 25° below the positive direction across a frozen lake as shown in the figure. Assume the coefficients of static and kinetic friction are με = 0.1 and μk = 0.03. 25° F Otheexpertta.com Part (a) Calculate the minimum force Fmin he must exert to get the block sliding across the ice in newtons. Fmin = 48.56 N * Attempts Remain Feedback: Carefully check your free body diagram: the force of pushing is directed below the horizontal, not above. Part (b) What is its acceleration in meters per second squared once it starts to move, if that minimum force is maintained?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter5: Newton's Laws Of Motion

Section: Chapter Questions

Problem 63PQ: A 75.0-g arrow, fired at a speed of 110 m/s to the left, impacts a tree, which it penetrates to a...

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