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A Carnot engine extracts 529 J of heat from a high-temperature reservoir during each cycle, and rejects 225 J of heat to a low-temperature reservoir during the same cycle. What is the efficiency of the engine?
An ideal gas has its pressure cut in half slowly, while being keptin a container with rigid walls. In the process 265KJ of heat isleft in the gas: How much work is done during the process
A car has its 0.45m long radio antenna oriented vertically upward and is traveling at highway speeds of 70 mph. Calculate the range of induced emf on the antenna
it is found experimentally that the electric field in a certain region of earths atmosphere is directed vertically
a given capacitor is connected to a 12.0 v battery and when fully charged stores 2.58 x 10-6 j of energy. if the
A hockey puck moving at 0.473 m/s collides elastically with another puck that was at rest.Find the speed of the second puck after the collision
A plane accelerates from rest at a constant rate of 5.00m/s2 along a runway that is 1800m long. What is the time tTO needed to take off
Using energy considerations, compute the average force the beam exerts on the pile driver while the pile driver is brought to rest.
Suppose now that you are at rest relative to the raft standing at the rear end except this time the raft is in the middle of the lake moving at a speed of 4.0 m/s. find the raft's speed relative to a stationary observer
An eagle glides in a diretion parallel to the ground, maintaining a constant velocity of 5.81 m?s^2. What are the new speed and direction
A gun shoots a 5.00 gramsbullet with a horizontal velocity of 1000m/s. the bullet strikes atree and penetrates to a depth of 10.0 meters. find the mechanicalenergy lost to friction in bringing the bullet to rest.
Huygens' principle (first described by the Dutch scientist Christiaan Huygens in 1678) uses geometry to determine the shape of a wavefront at a time.
A fly sits on a potter's wheel .30 m from its axle. The wheel's rotational speed decreases from 4.0 rad/s to 2.0 rad/s in 5.0 s. Determine the wheel's average rotational acceleration
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