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A ski tow operates on a 15.0o slope of length 300 meter. The rope moves at 12.0 km/h and provides power for 50 riders at one time, with an average mass per rider of 70.0 kilogram. Obtain the power required in hp to operate the tow.
a spherical void of radius r has cut inside the sphere, find the electric field inside the void if its center is displaced by vector R
Margaret walks to the store using the following path: .500 miles west, .200 miles north, .300 miles east. What is her total displacement
Compute the speed that a gas phase oxygen molecule would have if it had the similar energy of an infrared photon λ=5000nm,a visible photon λ=500nm, a UV photon λ=100nm, an X-ray photon λ=0.1nm. Use the RMS speed for a molecule√3kT/M
Io, a satellite of Jupiter, has an orbital period of 1.77 days and an orbital radius of 4.22 x 10^5 km. From these data, determine the mass of Jupiter
A long uniform wooden bar with square crosssection floats on water. Show that , if the relativedensity of wood is 0.50, the bar will float with all fourfaces making an angle of 45 degrees with the water surface.
your physics teacher is holding a spinning wheel with angular momentum of 8 units upward while standing on a stationary
A neutron in a nuclear reactor makes an elastic, head-on collision with the nucleus of a carbon atom initially at rest. find the kinetic energy of the carbon nucleus after the collision
A 15.1 mass fastened to the end of a steel wire with an unstretched length of 0.650 is whirled in a vertical circle with angular velocity 2.00 at the bottom of the circle. The cross-sectional area of the wire is 1.20×10?2 . Calculate the elongatio..
Air in a closed piston-cylinder device arranged to maintain a pressure of 400 kPa is heated from 27 ° C to 227 ° C. What is the final air volume
a single conservative force 8.0 x 10-12 n where x is in meters acts on a particle moving along an x axis. the
The resonance frequency of an RLC circuit is1100 Hz. What is the resonance frequency if theinductance L is doubled? What is the resonance frequency if hecapacitance C is doubled?
q1. a crate of 31.9- tools rests on a horizontal floor. you exert a gradually increasing horizontal push on it and
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