Physics, 07.03.2021 05:20 burnsmykala23
A contestant in a winter sporting event pushes a 45.0-kg block of ice across a frozen lake
as shown below. The coefficient of friction of ice is 0.1. (a) Calculate the minimum force
F he must exert to get the block moving. (b) What is its acceleration once it starts to
move, if that force is maintained?
Answers: 3
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Apulley with mass mp and a radius rp is attached to the ceiling, in a gravity field of 9.81 m/s2 and rotates with no friction about its pivot.
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A contestant in a winter sporting event pushes a 45.0-kg block of ice across a frozen lake
as shown...
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