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A heat engine operates in a Carnot cycle between 83.0°C and 353°C. It absorbs 21004 J of energy per cycle from the hot reservoir. The duration of each cycle is 3.00 s.
(a) What is the mechanical power output of this engine?
W
(b) How much energy does it expel in each cycle by heat?
J
The parachute on a race car of weight 8130 N opens at the end of a quarter mile run when the car is traveling at 30.7 m/s. What total retarding force must be supplied by the parachute
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Obtain an expression for the velocity
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A ring of charge of radius R meters has a constant charge density -lambda distributed uniformly along its length. Find the expression for |E| near the center of the ring
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