The pulley in Fig. 936 has radius 0.160 m and moment of inertia 0.480 kg m2. The rope does not slip...

Question

The pulley in Fig. 936 has radius 0.160 m and moment of inertia 0.480 kg m2. The rope does not slip on the pulley rim. Use energy methods to calculate the speed of the 4.00-kg block just before it strikes the floor.

Robert · Accepted Answer

Consider the given data, 
Radius of pulley, R 0.160 m  
Moment of inertia, 2I 0.480kg m   
Mass of first block, 1m 2kg   
Mass of second block 2m 4kg  
Height of the second block from the level of the first block, h 5m  
Assume, the values of gravitational acceleration is 2g 9.8m / s .

The pulley in Fig. 936 has radius 0.160 m and moment of inertia 0.480 kg m2. The rope does not slip on the pulley rim. Use energy methods to calculate the speed of the 4.00-kg block just before it...

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