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A Carnot engine uses reservoirs at temperatures of 27.0°C and 327°C. In one cycle, it uses 600 J of heat from the high temperature reservoir. How much work does it do in one cycle?
How long does it take for the last car to come to rest. When catching a baseball, a catcher's glove moves by 11 cm along the line of motion of the ball. If the baseball exerts a force of 403 N on the glove, how much work is done by the ball.
If the tension in each chain at the lowest point is 408 N, find the child's speed at the lowest point.
A car travels with an initial velocity of 2 meters per second, at initial position of 0 meters with an accerleration of 2 meters per second at time of 2.0 seconds
A step-up transformer has 300 turns on its primary coil and 90000 turns on its secondary coil if the current flowing through the secondary is 5 amps what is the current flowing in the primary.
A spaceship with a proper length of 101 m passes an observer at a speed of 0.82770c. What is the length of the ship as seen by the observer
An 8.0g bullet is shot into a 5.0kg block, at rest on a frictionless horizontal surface. Find the speed of the bullet
a 25-kg iron cannonball is fired with speed 220 m/s. If it hit a concrete wall, how much does the temperature of the cannonball increase
A uniform disk of mass 10 kg and radius 3.0 m can rotate without friction about its fixed center like a merry-go-round. What is the angular velocity of the two disks together about the center of the large disk after the small disk have moved
The pilot of an airplane travelling 200 km/h wants to drop supplies to flood victims isolated on a patch of land 165m below. The supplies should be dropped how various seconds before plane is directly overhead.
If 3.15×10-4 J of work are required to move 17.7? C of charge from one point to another, what is the electric potential difference between the two points
A farsighted person has a near point of 50-cm from her eyes. She wants glasses that would let her see objects at a distance of only 25.00 cm from her eyes. Determine out the focal length of the glasses needed if the glasses are 2 cm and 3 cm from ..
The manometer tube has an internal diameter of 0.5 cm and it is initially filled with water. Exactly 2 cm3 of an unknown liquid is then poured into one leg of the manometer, and a displacement of 5 cm between the surfaces is measured as shown. Fin..
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