Please explain each part :)! A weight of 68.7 N is attached to the free end of a

Question

Please explain each part :)!

A weight of 68.7 N is attached to the free end of a light string wrapped around a pulley of radius 0.153 m and mass 2.53 kg. The pulley (a uniform disk) is free to rotate without friction in a vertical plane about the horizontal axis passing through its center. The weight is released 9.31 m above the floor. Determine the tension in the string. The acceleration of gravity is 9.8 m/s2. Answer in units of N 010 (part 2 of 2) 10.0 points Find the speed with which the weight hits the floor. Answer in units of m/s

Explanation / Answer

T=i* alpha

alpha=a/r

r=0.153

i=m*r^2/2

alpha=a/r

mg-T=ma

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