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A 4.00 kg hollow sphere of radius 5.00 cm starts from rest and rolls without slipping down a 30.0 degree incline. If the length of the incline is 50.0 cm, then the velocity of the center of mass of the hollow sphere at the bottom of the incline is:
question1at rest a light source emits 532 nm light.a as it moves along a line connecting it and earth observers on
accelerates it to the right. It is observed that it takes the box 3.7 seconds to travel 61 meters. Illustrate what is the magnitude of the force?
A geostationary communications satellite orbits the earth directly above the equator at an altitude of 34800 . Calculate the time it takes for a signal to travel from a point on the equator to the satellite and back to the ground at another point ..
A gyroscope with rotational inertia 6.0 10-3 kg·m2 is precessing in a horizontal plane at 0.50 rad/s under the influence of a 0.28 N·m torque caused by a force pointing vertically downward
A diffraction pattern forms when light passes through a single slit. The wavelength of the light is 607 nm. Determine the angle that locates the first dark fringe when the width of the slit is (a) 4.1 x 10-4 m and (b) 4.1 x 10-6 m.
Use approximate calculations assuming constant current during the output pulse. Calculate the ampere-hour rating of the battery so it lasts for five years.
An intern pushes a 72 kg patient on a 15 kg gurney, producing an acceleration of 0.60 m/s2. How much work does the intern do by pushing the patient and gurney through a distance of 2.5 m
A cat dozes on a stationary merry-go-round, at a radius of 5.4 m from the center of the ride. Then the operator turns on the ride and brings it up to its proper turning rate of one complete rotation every 6.2 s
a film of index of refraction of 1.4 and thickness of 1.2*10^-5 m is on a lens with an index of refraction of 1.6. find the path length difference between the two reflected rays
A stone is kicked so that it leaves the ground with an initialvelocity of 10 m/s at an angle of 37 degrees. how high is it when it goes over the edge of the dock
A rocket is launched vertically from rest; and it burns fuel at a constant rate of 136 kg/s. Exhaust gases are expelled with a speed of 5.25 x 10^3 m/s relative to the rocket. what is the magnitude of the thrust?
question a proton has 1836 times the rest mass of an electron. at what speed will an electron have the same momentum as
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