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A 1.83-kg solid sphere (radius = 0.141 m) is released from rest at the top of a ramp and allowed to roll without slipping. The ramp is 0.736 m high and 5.19 m long. When the sphere reaches the bottom of the ramp,
a.) what is its total kinetic energy?
b.) What is its rotational kinetic energy?
c.) What is its translational kinetic energy?
The average kinetic energy per molecule of an ideal gas with originally Ni=1000 molecules is Kavg=500J. What is the final number of molecules Nf after this process
A student sits at rest on a piano stool that can rotate without friction. The moment of inertia of the student-stool system is 3.9 kg · m2. What is the resulting angular speed of the student and the stool
A Tube, of length 30 cm, is closed at one end, and produces a sound at the fundamental frequency of 270 Hz. Calculate the length of the second tube
An aquarium contains a 5-cm layer of water (n = 1.33) floating on top of carbon tetrachloride (n = 1.461). If the angle of incidence into the water from the air is 30, what is the angle of refraction into the carbon tetrachloride?
In exercising, a weight lifter loses 0.123 kg of water through evaporation, the heat required to evaporate the water coming from the weight lifter's body. find the change in the internal energy of the weight lifter
A 56.0 kg person jumps from rest off the 9.0 m high tower straight down into the water. Neglect air resistance throughout the descent. She comes to rest 3.40 m under the surface of the water. Find out the magnitude of the average force that the water..
A child attempts to drink water by a 100 long straw but finds that water rises only 75 .By how much has the child reduced the pressure in her mouth below atmospheric pressure.
A near-sighted person's eyeglasses has a focal length of ? 22.0 cm, and the lens is 1.8 cm from the eye. If the person switches to contact lenses that are placed directly on the eye, what should be the focal length of the corresponding contact len..
Two particles of masses m and 3.00m are moving toward each other along the x-axis with the same speed v. They undergo a head on elastic collision and rebound along the x- axis. Find out the final speed of the heavier object.
A rock of mass 34 kg accidentally breaks loose from the edge of a cliff and falls straight down. The magnitude of the air resistance that opposes its downward motion is 248 N. Elucidate what is the magnitude of the acceleration of the rock?
One object is at rest, and another is moving. The two collide in a one-dimensional, completely inelastic collision. when the small-mass object is the one moving initially
Two objects have masses m and 5m respectively.They both are placed side by side on a frictionless inclined plane and allowed to slide down from rest.
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