Asked by matt
It is probably easy, but i don't know where to start
A hockey puck leaves a player's stick with a speed of 9.50 m/s and slides 27.0 m before coming to rest.
Find the coefficient of friction between the puck and the ice.
Thank You for helping me!!!
A hockey puck leaves a player's stick with a speed of 9.50 m/s and slides 27.0 m before coming to rest.
Find the coefficient of friction between the puck and the ice.
Thank You for helping me!!!
Answers
Answered by
drwls
Compute the average force needed to stop a puck in 27.0 m. Here's how:
Work done against friction = initial kinetic energy.
M g mu X = (1/2) M V^2
'mu' is the number you want. Note that the mass m cancels out. g is the acceleration of gravity. X = 27.0 m
Work done against friction = initial kinetic energy.
M g mu X = (1/2) M V^2
'mu' is the number you want. Note that the mass m cancels out. g is the acceleration of gravity. X = 27.0 m
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