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A tennis ball of mass 5.61 10-2 kg, initially moving at a speed of 31.5 m/s, hits a wall and rebounds with a speed of 18.0 m/s. Assuming no energy loss to the wall, find the increase in the internal energy of the ball.
You press two flat pieces of glass together so that a very thin layer of air is trapped between them. What is the smallest spacing between the plates
A person is nearsighted and can clearly focus on objects that are no farther than 2.6 m away from her eyes. What is the focal length of the borrowed glasse
Two conducting spheres, one of radius 0.010 m. and the other of radius 0.170 m., each have a charge 3.00E-08 C. and are very far apart. find the final potential (in volts) in each sphere
q1. sea launch mission planners are going to launch their russian launch vehicle from a lo 3 degrees into leo with an
Obtain the Fourier representation of the output of a full-wave rectifier. Plot the first three terms in the expansion and compare with the exact function
In a certain RLC circuit, the RMS current is 6.42 A, the RMS voltage is 235 V, and the current leads the voltage by 55.6°. Calculate the average power dissipated in the circuit
their debt flotation costs are currently estimated to be 4% of the issue's value. GST's federal-plus -tax rate is 40%. Illustrate what is the dollar floatation cost on the new issue?
A car is traveling at 43.2km/hr on a flat, concrete highway. If the brakes are applied such that skidding occurs, the kinetic coefficient of friction between the road and tires is 0.808. If anti-lock brakes are properly applied after that no skidd..
What apparent free-fall acceleration is experienced by the managers remaining on the rim assume that the average mass for each inhabitant is 65kg.
A meteor that falls to earth from a great distance has a speed of 11 km/s. In class we found that the temperature of an iron meteor is 290,000K. We assumed all of the energy heats the meteor and none of it is transferred to the surroundings.
A 3.83m -long coil containing 225 loops is wound on an iron core (average ?=1850?0) along with a second coil of 115 loops, Determine the mutual inductance M. (units of H)
The time required for one complete cycle of a mass oscillating at the end of a spring is 0.25s. what is the frequency of oscillation
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