Physics, 26.11.2020 21:00 tednequamoore6761
A dentist's drill starts from rest. After 3.30 s of constant angular acceleration, it turns at a rate of 2.53 104 rev/min.
Required:
a. Find the drill's angular acceleration.
b. Determine the angle (in radians) through which the drill rotates during this period.
Answers: 2
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Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?
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A dentist's drill starts from rest. After 3.30 s of constant angular acceleration, it turns at a rat...
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