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A Carnot engine extracts 950J from a 600K reservoir during each cycle and rejects 480J to a cooler reservoir. It operates at 22 cycles per second.
Part A Find the work done during each cycle.
Part B Find its efficiency.
Part C Find the temperature of the cool reservoir.
Part D Find its mechanical power output.
In the annual battle of the dorms, students gather on the roofs of Jackson and Walton dorms to launch water balloons at each other with slingshots, Find the direction of the balloon's inital velocity
A defibrillator passes a brief burst of current through the heart to restore normal beating. In one such defibrillator, What is the initial current through the patient
What are the velocities of the two people after the snowball is exchanged. What is the greatest kinetic energy of the electrons removed from the cathode by this light.
A 45-m length of wire is stretched horizontally between two vertical posts. Find the magnitude of the earth's magnetic field at the location of the wire
Compute the y-component of acceleration
A pie plate is filled up to the brim with pumpkin pie filling. The pie plate is made of Pyrex and its expansion can be neglected. It is the cylinder with an inside depth of 2.10 cm and an inside diameter of 30 cm.
A 1250 kg car is moving at 5.0 m/s collides with and couples with the 750 kg car. What is the resulting speed of the coupled cars.
Assuming that air resistance is simply a constant 95 N force on the person during the fall, evalute the person’s velocity just before hitting the net.
Light from a He-Ne laser of wavelength 633 nm passes through a circular aperture. It is observed on a screen 4.0 m behind the aperture. compute the diameter of the hole
A hiker's trip consists of three segments. Path A is 8.0 km long heading 60degrees north of east. Path B is 7.0km long in a direction due east. Path C is 4.0 km long heading 315 degrees counter clockwise from east.
What is the force on the bottom of a 36.0 cm tall cylindrical beaker with a diameter o 6.0 cm with water filled to its brim, answers in N.
when it falls back it hits the ground with speed v1=50m/s. The mass of the ball is m=20g. Evaluate what is the total work done by the drag force while the ball is in the air?
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