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An ideal gas is brought throught an isothermal compression process. The 2.00 moles of gas go from having an initial volume of 205.5 * 10^-6 m^3 to 135.8 * 10^ -6 m^3. If 9240 J are released by teh gas during this process, what are the temperature T of the the gas and the final pressure Pt?
what is the combined mass of the dog and basket.
Illustrate what is the magnitude of the apparent weight of a 79 kg astronaut 5100 km from the center of the Earth's Moon in a space vehicle moving at constant velocity?
A 12 kg box slides 4.0 {rm m} down the frictionless ramp, and then collides with a spring whose spring constant is 240 N/m.
The frequency of a tuning fork is 358 Hz. Find the length of the shortest organ pipe which will give 6 beats/s with the fork. The velocity of sound in air is 339.1 m/s.
A 28 kg child plays on a swing having support ropes that are 1.80 m long. A friend pulls her back until the ropes are 43 from the vertical and releases her from rest.
State the maximum height in terms of a, t_1, and/or g. Note that in this problem, g is a positive number equal to the magnitude of the acceleration due to gravity.
A jet lands at 54.4 m/s, the pilot applying the brakes 2.45 s after landing. Find the acceleration needed to stop the jet within 5.17 x 10^2 m after touchdown.
A rocket is fired at a speed of 82.0 m/s from ground level, at an angle of 31.0 ° above the horizontal. The rocket is fired toward an 6.95-m high wall, which is located 18.0 m away.
How much work did the movers do (horizontally) pushing a 150- crate 10.2 across a rough floor without acceleration, if an effective coefficient of friction was 0.50.
A spherical mirror is polished on both sides. When the convex side is used as a mirror, the magnification is +1/4. What is the magnification when the concave side is used as the mirror, the object remaining the same distance from the mirror.
Computing the probability of reflection and transmission of a particle at walls of a barrier.
A loudspeaker of mass 18.0 {rm kg} is suspended the distance of h = 1.20 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 2.70 {rm m}. What is the tension T in each of the cables? Utili..
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