Determine the minimum length of a rigid rod with a mass of 1 kg that YOU will ne

Question

Determine the minimum length of a rigid rod with a mass of 1 kg that YOU will never be able to rotate it about its center of mass. Determine the moment of inertia for a solid cylinder with mass m and radius R with a non-uniform mass density given by = r^2. A solid sphere of radius 5 cm and mass 1 kg rolls down an incline of height 20 m. It then travels off a horizontal cliff with height 50 m. Just as the ball leaves the cliff, it explodes into two pieces; the 1/3 kg mass is shot backwards with a relative velocity of 10 m/s. Determine the distance x_f that the 2/3 kg piece lands.

Explanation / Answer

Hi,

PLease find the below solution.

1)

ICM = (1/12)ML2

=0.0833 L2

if ICM=100 kg m2

L=34.64m

2)

I= m/12(3R2+h2)

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