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Q.An air molecule is moving at a speed of 459 m/s. How many meters would the molecule move during 7.00 ms (milliseconds) if it didn't collide with any other molecules?

Q. A small grinding wheel has a moment of inertia of 4.0×10-5 {rm kg}cdot{rm m^{2}}. What net torque must be applied to the wheel for its angular acceleration to be 150 {rm rad}/{rm s^{2}}?

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