1. A pulley with negligible mass holds a string with a mass attached to each of its ends. The mass on th left has a mass of 2.0 kg and the mass on the right has a mass of 9.0 kg and at t = 0, is suspended 5 above the ground. Once it is released, a) What is the system's acceleration? B) Using conservation energy equation, how fast will the 9.0 kg block be moving when it hits the ground? T, T2

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Moment of Inertia

Inertia can be termed as a resistance offered by a body to change its state. A rigid body initially at rest will apply resistance when acted by an external force that tends to change its state of rest or velocity, or a body initially at motion will provide resistance in changing its state of velocity or motion for coming to a state of rest. In other words, Newton's first law of motion describes the law of inertia of a rigid body.