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Steam at a constant absolute pressure of 20atm is admitted to the cylinder of an engine. The length of thepiston stroke is 60 cm and its diameter is 20 cm. How much work injoules does the steam perform during one full stroke of the piston?What I did was convert atm to dynes/cm^2 and thencalculated the area. I determined the force from F=pA which I got636.5 J. The problem is, the text gives 636.5 J as the answer forthe work done. I still have not calculated in the length of thepiston??? I am clueless.
An airplane with a speed of 87.7 m/s is climbing upward at an angle of 35.1 ° with respect to the horizontal. determine the angle of the velocity vector of the package
a prospective cohort study is run to estimate the incidence of stroke in persons 55 years and older. all participants
Two trains are traveling toward each other in still air at 27.6 m/s relative to the ground. One train is blowing a whistle at 330 Hz. The speed of sound is 343 m/s.
Jeffery drills a very tiny hole in a sheet of brass. The hole is 0.001 inches in diameter. How large an Airy disk spot of red will form on a screen
A cylinder of mass 14.0 kg rolls without slipping on a horizontal surface. find the rotational kinetic energy about its center of mass
A very slippery ice cube slides in a vertical plane around the inside of a smooth, 20 cm diameter horizontal pipe. Find an algebraic expression for the ice cube's speed
Two canoes are tied together and traveling down a straight river with the current. Spotting a waterfall, What is the combined mass of this canoe and rider
The gauge pressure at the bottom of a reservoir is 5.0 times what it is at a depth of 2.1 m. How deep is the reservoir
A 70 kg man (rad=0.25m) standing on a 10-kg disc (rad=0.4m) with his arms extended (rad=0.9m) holding a 15-kg weight in each hand. What is the rotational inertia of man with weights.
A very small call (m = 4 gms) hangs on a thread at an angle of ? = 30o. What is the strength of the electric field
What is the physics behind everyday sayings
Calculate the ratio of heating loss in a given length of wire (assumed ohmic) carrying current at 530 kV to when it operates at 120 V
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