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Pulling up on a rope, you lift a 4.35 kilogram bucket of water form a well with an acceleration of 1.78 m/s2. Evaluate what is the tension in the rope?
A particular heat engine has a useful power output of 4.40 kW and an efficiency of 30.0%. The engine expels 7200 J of exhaust energy in each cycle , Find the time interval for each cycle
A solenoid of radius 2.3 cm has 450 turns and a length of 24 cm. Find the rate at which current must change through it to produce an emf of 80 mV
High voltage power lines are made of aluminum and often start with an electric potential of around half a million volts, How much potential is lost due to resistance in the lines as a function of length
A sled is dragged along a horizontal path at a constant speed of v = 1.52 m/s by a rope that is inclined at an angle of ? = 30.3° with respect to the horizontal
An ideal gas expands at a constant total pressure of 2.5 atm from 3.45 L to 6.70 L. What is the total work done on the gas in the process
a solonoid 4.0 cm in raduis and 4 m in length has 5000 uniformly spaced turns and carries a current of 5.0a. concider a
A 0.73-kg mass is hanging from a spring with spring constant 13 N/m. What is the resulting period of the oscillation
The current in a series circuit is 14.9 A. When an additional 10.6-? resistor is inserted in series, the current drops to 9.47 A. What is the resistance in the original circuit
A radioactive nuclide of atomic number Z emits an alpha particle and the daughter nucleus then emits a beta particle. What is the atomic number of resulting nuclide
A steam catapult launches a jet aircraft from the aircraft carrier John C. Stennis, giving it a speed of 190 mi/h in 2.00 s. (a) Find the average acceleration of the plane. Your response is within 10% of the correct value. This may be due to round..
An AC generator is designed to produce a maximum EMF of 170V while rotating with an angular speed of 3600 rpm. how many turns of wire are needed
A ball is thrown upward from a platform 4.6 m high with a speed of 16 m/s, What is the magnitude of its velocity when it hits the ground
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