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# Rotational motion: A stationary rod is struck at one end.

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A uniform rod is resting along the x-axis on a frictionless table with its center of mass at the origin. It is suddenly struck near one end by a blow in the +y direction. The mass of the rod is M=175 g and the impulse applied by the blow is K=74 g m/s. Immediately after the rod is struck,

(a) what is the velocity of the center of mass of the rod?

(b) what is the velocity of the end that is struck?

(c) what is the velocity of the other end of the rod?

https://brainmass.com/physics/angular-momentum/rotational-motion-stationary-rod-struck-one-end-55388

#### Solution Preview

A uniform rod is resting along the x-axis on a frictionless table with its center of mass at the origin. It is suddenly struck near one end by a blow in the +y direction. The mass of the rod is M=175 g and the impulse applied by the blow is K=74 g m/s. Immediately after the rod is struck,
(a) what is the velocity of the center of mass of the rod?
vCM = ( i + j) m/s
(b) what is the velocity of the end that is struck?
vstruck end = ( i + j) ...

#### Solution Summary

A rod is struck by a blow at one of its end, the consequent motion is discussed in three parter.

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