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A rigid tank contains water vapor at 250°C at an unknown pressure?. The tank is cooled to 150°C when the water vapor starts to condense. Estimate the initial pressure in the tank The final state is saturated vapor.
P1= ___________ MPa
What is the concept of work in physics? can you please give me some explanation by quoting some examples which are easy to understand by a non physics student?
q1. a motorist drives along a straight road at a constant speed of 15.0 ms. just as she passes a parked motorcycle
A rock is thrown upward from a cliff 100 meters above the ground with an initial veloccity of 40 m/s. How long does it take for the rock to hit the ground? How long does the rock travel? How high is the rock after 6 seconds?
A hydrogen atom is in a d state. In the absence of an external magnetic field the states with different m, values have (approximately) the same energy. Consider the interaction of the magnetic field with the atom's orbital magnetic dipole moment. ..
A potential difference of 100 mV exists between the inner and outer surfaces of a cell membrane. How much work is required to eject a positive sodium ion
A juggler performs in a room whose ceiling is 3.0 m above thelevel of his hands. He throws a ball upward so that it just reachesthe ceiling. What is the time required for the ball to reach the ceiling
A sine wave is traveling along a string. The time for a particular point to move from maximum displacement to zero is 0.880 s. What is the period?
When B-10 is bombarded by neutrons, a neutron can be absorbedand an alpha particle emitted. If the B-10 target isstationary the kinetic energy of the reaction products is equal to
A camera is focused on a group of people 3 m from the lens, wjocj jas a focal lenght of 50 mm = 0.05 m. What is the lens-to-film distance
A negative charge (-q) with a mass of 0.29 kg is dangling vertically on a string. Directly below this charge, is a charge with same amount of charge, but with the opposite sign (+q). When it is located 22.74 cm below the charge on the string, the ..
Find an expression for the electric potential at the center. A proton is released from rest in a uniform electric field of magnitude 1.20×10^5 N/C. Find the speed of the proton after it has traveled.
a plane has a takeoff speed of 88.3 ms and requires 1365 m to reach that speed. determine the acceleration of the plane
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