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In 35.0 s, a pump delivers 0.550 m3 of oil into barrels on a platform 25.0 m above the pump intake pipe. The density of the oil is 0.820 g/cm3.
1. Compute the work done by the pump.
2. Compute the power produced by the pump.
A bicycle rider has a speed of 19.0 m/s at a height of 55.0 m above sea level when he begins coasting down hill. what is the rider's total mechanical energy when he coasts to a height of 25.0 m above sea level
how much work is required to turn an electric dipole 180deg in a uniform electric field of magnitude e 41.0 nc if p
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a spring contant k=11.75 N/m is hung vertically. What is the displacement of the end of the sprig due to the weight of the 0.500kg mass
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A 200g block is pressed against a spring (K = 1400 N/m) until the block compresses the spring 10.0cm from equilibrium. The spring rests at the bottom of a frictionless incline plane of angle 60 degrees. The block is released from rest. Compute the ma..
A large electromagnet has a 23 T magnetic field between its poles. What is the magnetic energy density between the poles
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Calculate the linear momentum and angular momentum of a Frisbee of mass 0.126 kg if it has a linear speed of1.95 m/s and an angular velocity of 51.5 rad/s. Treat the Frisbee as a uniform disk of radius 13.5 cm.
A 110 kg mail bag hangs by a vertical rope 4.0 m long. A postal worker then displaces the bag to a position 2.0 m sideways from its original position, always keeping the rope taut. As the bag is moved to this position, how much work is completed by t..
A camera with a telephoto lens of focal length 125 nm is used to take a photograph of a plant 1.8 m tall. The plant is 5.0 m from the lens. How tall is the image
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