52 An object with a mass of 0.8 kg and radius of 23 cm starts from rest and rolls without slipping down the ramp shown above and reaches a final speed of 6.6 r in 1.5 s. Determine (a) the distance it rolled parallel to the ramp and (b) the rotational inertia of the object about its center-of-mass. a. d = b. Icom |kg m2 E
52 An object with a mass of 0.8 kg and radius of 23 cm starts from rest and rolls without slipping down the ramp shown above and reaches a final speed of 6.6 r in 1.5 s. Determine (a) the distance it rolled parallel to the ramp and (b) the rotational inertia of the object about its center-of-mass. a. d = b. Icom |kg m2 E
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Transcribed Image Text:52 °
An object with a mass of 0.8 kg and radius of 23 cm starts from rest and rolls
without slipping down the ramp shown above and reaches a final speed of 6.6 m/s
in 1.5 s. Determine (a) the distance it rolled parallel to the ramp and (b) the
rotational inertia of the object about its center-of-mass.
a. d =
m
b. Icom
|kg m2
Transcribed Image Text:6.7 kg
52°
The system shown above is released from rest. The horizontal surface is
frictionless, and there is sufficient friction for the uniform cylinder to roll
smoothly down the ramp. The cylinder has a mass of 6.6 kg and radius of 19 cm.
The pulley is a non-uniform disk with a mass of 0.5 kg, radius of 13.2 cm, and 8 =
0.41. The rope does not slip on the pulley. Determine the displacement of the
box when the kinetic energy of the pulley is 317 mJ.
Ax =
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