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Air that occupies 0.14 at 1.03 x 105 Pa gauge pressure is expanded isothermally to atmospheric pressure and then cooled at constant pressure until it reaches its initial volume. Compute the work done by the air.
A nuclear power plant operates at 65% of the Carnot efficiency between a temperature range of 600°C and 330°C. Estimate the amount of heat discharged every hour
In getting ready to slam-dunk the ball, a basketball player starts from rest and sprints to a speed of 6.94 m/s in 1.48 s. determine the distance he runs
water flows through a 4-cm pipe wrought iron horizontal pipeline 50-m long from point a to b and contains a fully
The drawing shows a collision between two pucks on an air-hockey table. Puck A has a mass of 0.036 kg and is moving along the x axis with a velocity of +5.5 m/s. It makes a collision with puck B, which has a mass of 0.056 kg and is initially at re..
Assume a spacecraft is orbiting the earth at a constant radius of 7.00x10^3km. At t=0 a lateral rocket is fired that imparts an inward-directed radial velocity. What is the minimum radial velocity needed to produce a parabolic trajectory, and what wi..
A storage tank at STP contains 19.5 kg of nitrogen (N2). What is the volume of the tank
A generator is designed to produce a maximum emf of 150 V while rotating with an angular speed of 3600 rpm. how many turns of wire are needed
In order to get a flat uniform cylindrical satellite (mass of 1000 kg and a radius of 2 m) spinning at the correct rate, What is the required steady force of each rocket
A 1.50m cylindrical rod of diameter 0.450m is connected to a power supply that maintains a constant potential difference of 13.0V across its ends, Find the temperature coefficient of resistivity at 20 degrees C for the material of the rod
a bicycle wheel of radius 0.70 m is rotating at an angular speed of 6.3 rads as it rolls on a horizontal surface
Determine how far in front of the lens the object should be placed in order to produce an image that is reduced by a factor of 4.45
An x-ray tube is operated at 48200 V. Calculate the minimum wavelength of the radiation emitted by this tube
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