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A stone used to grind wheat into flour is turned through 12revolutions by a constant force of 20.0 N applied to the rim of a10.0-cm-radius shaft connected tot wheel. How much work is done on the stone during the 12 revolutions.
A firefighter a distance d from a burning building directs a stream of water from a fire hose at angle ?i above the horizontal, at what height h does the water strike the building
A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 16.0° below the horizontal. The length of time the car is in the air
A particular engine has a power output of 4.00 kW and an efficiency of 22.0%. Assume the engine expels 8500 J of energy in each cycle. Find the energy absorbed in each cycle
a ball rolls off a platform that is 7 meters above the ground. the balls horizontal velocity as it leaves the platform
The rms current in a solenoid is 0.036 A when the solenoid is connected to a 18 kHz generator. What is the peak voltage of the generator
liquid crystal display lcd projectors have a small lcd screen inside of them. this emits light and serves as the object
An archer shoots an arrow with a velocity of47.5m/s at an angle of50.5° with the horizontal. What is the initial speed of the apple
find the flux of earths magnetic field of magnitude 5.00 10-5 t through a square loop of area 40.0 cm2 for the
in an alcohol-in-glass thermometer the alcohol column has length 11.84 cm at 0.0 degrees c and length 22.87cm at 100.0
Find the speed of sound in a thin rod of copper, which has a sheer modulus of 4.5 1010 Pa and a density of 8.90 103 kg/m3
A 58-g handball moving with a speed of 5.3 m/s strikes the wall at an angle of 35° with the normal, and then bounces off with the same speed at the same angle with the normal. It is in contact with the wall for 2.0 ms. What is the average force exert..
A physics lecture room has a volume of 251m^3. Calculate the mass of the air in the room
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