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A person is making homemade ice cream. She exerts a force ofmagnitude 19 N on the free end of thecrank handle, and this end moves in a circular path of radius0.30 m. The force is always appliedparallel to the motion of the handle. If the handle is turned onceevery 1.5 s, what is the average power being expended?
An ice-making machine operates in a Carnot cycle. It takes heat from water at 0.0 ?C and rejects heat to a room of temperature 21.5?C, How much energy must be supplied to the device
In a classic carnival ride, patrons stand against the wall in a cylindrically shaped room. Once the room gets spinning fast enough, What is the speed of a person "stuck" to the wall in (m/s)
A golf ball of mass 0.050 Kg is hit off the tee at a speed of 35 m/s. The golf club was in contact with the ball for. Find the average force exerted on the ball by the golf club
If a capacitor has opposite 5.3?C charges on the plates, and an electric field of 2.4kV/mm is desired between the plates, what must each plate's area be
A basketball is released from a height of 2.00 m above the floor and enters a basket that is 3.0 m above the floor. How far was the shooter from the basket
A silicon solar cell looks like a battery with a 0.33Vterminal voltage. What is the solar cell's efficiency-that is, what percentage of the energy incident on the cell is converted to electric energy
A beam of gamma rays from a distant galaxy is observed through two polarizing filters whose transmission axis is at a 45 degree angle relative to each other here on earth. What is the intensity of the output beam
assume that friction is so small that it can be ignored. a force toward the right of constant magnitude is applied to
Magnus has reached the finals of a strength competition. In the first round, he has to pull a city bus as far as he can. One end of a rope is attached to the bus, how much work does the tension force do on Magnus
On its highest power setting, a microwave oven increases the temperature of 0.390 kg of spaghetti by 45.0°C in 150 s. What is its peak magnetic field strength
A very long, straight solenoid with a cross-sectional area of 5.75cm^2 is wound with 36 turns of wire per centimeter, What is the average induced emf in the secondary coil
Physics - Mechanics - Buoyant Force, An undersea research chamber is spherical with an external diameter of 5.40 m. The mass of the chamber, when occupied, is 70400 kg.
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