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?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text: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?
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