Asked by Haya
You have a grindstone (a disk) that is 92.0 kg, has a 0.490-m radius, and is turning at 83.0 rpm, and you press a steel axe against it with a radial force of 25.0 N.
(a)
Assuming the kinetic coefficient of friction between steel and stone is 0.50, calculate the angular acceleration (in rad/s2) of the grindstone. (Indicate the direction with the sign of your answer.)
(b)
How many turns (in rev) will the stone make before coming to rest?
(a)
Assuming the kinetic coefficient of friction between steel and stone is 0.50, calculate the angular acceleration (in rad/s2) of the grindstone. (Indicate the direction with the sign of your answer.)
(b)
How many turns (in rev) will the stone make before coming to rest?
Answers
Answered by
Chad
You have a grindstone (a disk) that is 75 kg, has a 0.36 m radius, and is turning at 100 rpm, and you press a steel axe against it with a radial force of 25 N.
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