A 20-cm diameter circular saw blade has a mass of 079kg
A 20-cm diameter circular saw blade has a mass of 0.79kg, distributed uniformly as in a disk.
a) What is its rotational kinetic energy at 4400 rpm?
b) What average power must be applied to bring the blade from rest to 4400 rpm in 3.5s?
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a 20-cm diameter circular saw blade has a mass of 079kg distributed uniformly as in a diska what is its rotational
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