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The moment of inertia of a solid cylinder about its axis is given with 0.5 MR^2. If the cylinder rolls without slipping, the ratio of its rotational kinetic energy to its translational kinetic energy is
A wheel accelerates with a constant angular acceleration of 4.5rad/s^2. If the initial angular velocity is 1.0 rad/s, what is the angular velocity at t = 2.0 s?
A Ferris wheel rotating at 20 rad/s decelerates by a constant angular acceleration of -5.0 rad/s^2. How many revolutions does it rotate before coming to rest?
A swimming pool has dimensions 36.0 m 8.0 m and a flat bottom. When the pool is filled to a depth of 1.90 m with fresh water, what is the force caused by the water on the bottom
On a typical mission, the Space Shuttle (m = 2.00 106 kg) orbits at an altitude of 250 km above the Earth's surface. Find the speed of the shuttle in its orbit.
A cross-country skier slides horizontally along the snow and comes to rest after sliding a distance of 28 m. determine her speed at the start of the slide
An object at rest explodes into three pieces of equal masses. One moves east at 23 m/s, while the second piece moves northwest at 14 meter per second. Find the velocity of the third piece?
A 15.0 kg box is pushed 5.00m across a level floor along whichμ=0.333. The push acts parallel to the floor. Determine the push required to accelerate the box from rest to 1.50m/s?
Two converging lenses, each of focal length 17.0 cm, are placed 39.2 cm apart, and an object is placed 30.0 cm in front of the first lens. Where is the final image formed
An electric field of approximately + 100 V/m is often observed near the surface of the Earth. If this were the field over the entire surface of the Earth, What would be the magnitude and sign of the charge on the Earth? What would be the total electr..
Bob (m = 60kg) is wearing a sticky suit. Just as he reaches his desired speed of 6m/s, he reaches the edge of ice (assume the ice is frictionless) and collides with a large crate (m = 250kg). How elastic was the collision
a thermopane window consists of two glass panes each 0.50 cm thick with a 1.0 cm thick sealed layer of air in between.
Calculate the terminal voltage for a battery with an internal resistance of 0.650? and an emf of 8.00V when the battery is connected in series with an 98.0?? resistor
A Styrofoam box has a surface area of 0.79 m2 and a wall thickness of 2.0 cm. The temperature of the inner surface is 5.0°C, determine the thermal conductivity of the Styrofoam
The wiring in a house should be thick enough so it does not become so hot as to start a fire. What diameter should a copper wire be if it is to carry a maximum current of 32 A and produce no more than 1.4 W of heat per meter of length?
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