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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
(a) Find the energy taken in during each cycle.
(b) Find the time interval for each cycle.
An infinitely long, cylindrical, insulating shell of inner radius a and outer radius b has a uniform volume charge density ?. A line of uniform linear charge density ? is placed along the axis of the shell. Determine the electric field in the foll..
An explosion breaks an object originally at rest into two fragments. One fragment acquires twice the kinetic energy of the other. What is the ratio of their masses
a long solenoid has 500 turns. a current of 2 A is passed through it, the resulting magnetic flux linked with each turn of a solenoid is 4x1/1000wb
A steam turbine is limited to a maximum inlet temp of 800 c the exhaust pressure is .0100 mpa, What is maximum power output per unit mass flow rate
A 2.00-ton automobile is parked at the top of a hill that is 100ft high and inclined 25 degrees with respect to the horizon. find the automobile velocity (ft/s) at the bottom of the hill
Two identical positive charges exert a repulsive force of 6.2 multiplied by 10-9 N when separated by a distance of 3.4 multiplied by 10-10 m. Calculate the charge of each.
air is contained in a piston/cylinder at 350K, 300kPa and occupies 0.1m^3. determine the change of availability of the system
A rock is thrown horizontally with a speed of 16 m/s from a vertical cliff of height 32 m, What is the velocity (magnitude and direction counterclockwise from the +x-axis, which is the initial horizontal direction in which the rock was thrown) of t..
Two joggers run at a constant velocity of 7.5 m/s toward the east. At time t=0, one is 15m east of the origin and te other is 15m west.
A gymnast whose mass is 50.0 kg swings back and forth on a 4.0m long rope. What is her velocity at the bottom of the swing
A cylindrical container 2.00 tall contains mercury to a certain depth; the rest of the cylinder is filled with water. If the pressure at the bottom of cylinder is two atmospheres, what is the depth.
The end of the spring is next to the 20- mark on the ruler.If a 3.0- mass is now attached to the end of the spring, where will end of the spring line up with the ruler marks?
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