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Q1. An ideal gas undergoes the process a=>b=>c=>a (which is a right triangle with a=>b being the hypotenuse, b=>c being the vertical side, and c=>a being the bottom horizontal side). Pa=Pc=240.0 kPa, Vb=Vc=40.00 L, Va=15.00 L, and Pb= 400.0 kPa. How much work is completed by the system in this process?
Q2. An 82 kg parachutist descends through a vertical height of 350 m with constant speed. Determine the increase in entropy produced by the parachutist; assume the air temperature is 21 degrees C.
A puddle holds 150 grams of water. If .50 grams of water evaporates from the surface, what is the approx temperature altering of the remaining water.
Charge A and Charge B are 5.00m apart, A is +3.00 C and charge B is +7.00C, How far from charge A is charge C
A hot air heating system rated at 84,000 Btu/hr has an efficiency of 65%. determine the temperature of the outlet air
The deflection in the moving coil galvanometer is reduced to half when it was shunted with a 40 ohm coil. The resistance of the galvanometer is what
Intuitively, the man will not catch the bus unless he is running fast enough. In mathematical terms, there is a constraint on the man's speed so that the equation above gives a solution for that is a real positive number.
A rock is tossed straight up with a velocity of 14 m/s When it returns, it falls into a hole 10m deep.
A pilot flies an airplane at a constant speed of 520 km/hr in the vertical circle of radius 1400 m. compute the force exerted by the seat on the 105-kg pilot at point A and at point B.
An ideal spring is used to fire a 15.0-g block horizontally. The spring has a spring constant of 40 N/m, The kinetic energy of the pellet as it leaves the spring is
Pluto has a mass of 1.30x10^22 kg and a radius of 1.18x10^6 m. What is the acceleration due to gravity on Pluto
business equipment for a $5,000 loss, stock investment for a $7,000 loss, and her principal residence for a $16,000 loss. Presuming adequate income, explain how much of these losses may Joan claim on her 2011 return?
A race car has a mass of 718 kg. It starts from rest and travels 45.0 m in 3.0 s. The car is uniformly accelerated throughout the entire time. What net force is exerted on it.
what would be the closest distance the bead would be from the point charge? (HINT for B: what would be the speed of the bead at this point? use energy conservation)
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