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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.
A beam of light strikes a sheet of glass at an angle of 57.0deg. with the normal in air. You observe that red light makes an angle of 38.1 degrees with the normal in the glass, What are the speeds of red and violet light in the glass
with the equipment provided in labs why do you observe only the balmer series but not the lyman or paschen series?a the
A space station shaped like a giant wheel has a radius 103 m and a moment of inertia of 4.96 108 kg · m2, What acceleration is experienced by the managers remaining at the rim
You are riding on a Jet Ski at some angle upstream on a river flowing with a speed of 2.8. Assume the Jet Ski is moving at a speed of 12 relative to the water. At what angle should you point the Jet Ski if your velocity relative to the ground is t..
a ball is thrown vertically upward with a speed of 14.0 ms.a how high does it rise?b how long does it take to reach its
110 grams of boiling water (temperature 100° C, heat capacity 4.20 J/gram/K) are poured into an aluminum pan whose mass is 1000 grams and initial temperature 24° C (the heat capacity of aluminum is 0.9 J/gram/K).
Two small insulating spheres with radius 9×10-2 are separated by a large center-to-center distance of 0.52. One sphere is negatively charged.
You push your physics book 1.60 along a horizontal tabletop with a horizontal push of 2.80 while the opposing force of friction is 0.550. What is the net work done on the book
A 61-kg and a 97-kg skydiver jump from an airplane at an altitude of 6100 m, both falling headfirst. Calculate their terminal velocities
You are standing on a brigde that is 50.0 m above a dried up riverbed. what is the minimum spring constant that the bungee cord must have for you not to hit the riverbed
A carpenter tosses a shingle horizontally off an 8.8m--high roof at 8.0m/s , How far does it move horizontally
Each plate of a parallel-plate capacitor is a square of side 3.17 cm and the plates are separated by 0.551 mm. Find the electric field strength inside the capacitor
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