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An ideal air conditioner operating on a Carnot cycle absorbs heat Q2 from a house at temperature T2 and discharges Q1 to the outside at temperature T1, consuming electrical energy E. Heat leakage into the house is related to the temperature di erence by a linear relation,Q = A[T1 T2] ;where A is a constant. Derive an experssion for T2 in terms of T1, E, and A for continuous operation when the steady state has been reached.
Waves on a 10 meter rope travel at 20 m/s. You shake the rope back and forth until you get a standing wave with a single antinode. find the wavelength and frequency of each standing wave
A 120 granite cube slides down a 45 frictionless ramp. At the bottom, just as it exits onto a horizontal table, it collides with a 210 steel cube at rest.
A flywheel comprises a uniform circular disk with a mass of 101.0 kg and a radius of 1.1 m. It rotates with an angular velocity of 1183 rev/min. what is the tangential force
A cart of mass M1 = 3 kg is attached to a block of mass M2 = 5 kg by a string that passes over a frictionless pulley. What is the work Wg done by gravity on the system
A parallel-plate capacitor in air has a plate separation of 1.49 cm and a plate area of 25.0 cm2. Determine the change in energy of the capacitor
A spherical balloon has a radius of 6.95 and is filled with helium. The density of helium is0.179, Determine the largest mass of cargo the balloon can lift
Positive pressure is used in blood transfusion. Suppose the pressure in a vein is 0.25kPa and the density of blood is 1.04 x 103 kg/m3, how high above the vein must the blood container be placed
A proton is released from rest at the positive plate of a parallel-plate capacitor. What will be the final speed of an electron released from rest at the negative plate
A charge of 16.8 ?C is at the geometric center of a cube, What is the electric flux through one of the faces
What gauge pressure must a pump produce to pump water from the bottom of the Grand Canyon (elevation 730 ) to Indian Gardens (elevation 1370 )
A ball of mass 1.10 kg moving with speed of 2.0 m/s hits a wall and bounces back with the same speed in the opposite direction. What is the change in the ball's kinetic energy
Starting from rest, a 12-cm-diameter compact disk takes 2.6s to reach its operating angular velocity of 1600rpm. How much torque is applied to the disk
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