How many times will the centripetal acceleration of the points on the side surface of the grinding wheel increase
| December 3, 2020 | education
How many times will the centripetal acceleration of the points on the side surface of the grinding wheel increase if the rotational speed is increased by 3 times?
The centripetal acceleration of the body is found by the formula: ac = V ^ 2 / R, the linear velocity of the body is equal to: V = 2piR / T, and T = 1 / v, then ac = 4R (piv) ^ 2, => ac ~ v ^ 2 … This means that the acceleration will increase 9 times.
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