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A solid cylinder of mass M and radius R starts from rest and rolls down a hill without slipping. The cylinders center of mass drops a total distance h. The cylinder is subject to the downward gravitational force Fg of the Earth.
1. Find the potential energy U of the cylinder of the top the hill.
2. Find the total kinetic energy Ktot of the cylinder at the bottom of the hill, and express Ktot in terms of the transitional speed v of the cylinder.
3. Find the transitional speed v of the cylinder at the bottom of the hill.
It explodes on a mountainside 36.0 s after firing. Illustrate what are the x and y components of the shell where it explodes, relative to its firing point?
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a disk with a rotational inertia of 5.00 kg m2 and the radius of 0.25 m rotates on a frictionless fixed axis perpendicular to the disk, the maximum angular acceleration of the disk is
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The earth orbits the sun in an approximately circular orbit of radius 1.496 1011 m (about 93 million miles) in a period of 365 1/4 days. Use these data to determine the mass of the sun
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