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Given figure represents an imaginary ideal-gas cycle. Assuming constant heat capacities, show that the thermal efficiency is
η = 1-γ(((V1/V2)-1)/((P3/P2)-1))
An electron and a positron have masses of 9.11 10-31 kg. They collide and both vanish, determine the energy of the electromagnetic radiation
A car is stopped for a traffic signal. When the light turns green, the car accelerates, increasing its speed from zero to 8.06 m/s in 4.14 s. What is the magnitude of the linear impulse experienced by a 69.1 kg passenger
A skilled skier knows to jump upward before reaching a downward slope. Consider a jump in which the launch speed V0= 12.5 m/s, how far below the launch level does the skier land
At a constant speed of 55 km/h , an automobile travels 600m along a straight highway that is inclined 5.0 degrees to the horizontal. What is the cars vertical velocity magnitude
A 86.6-kg sprinter exerts a force of 100 N on the starting block at an angle of 30 with respect to the ground. The horizontal acceleration of the sprinter is
A thin film of alcohol (n=1.36) lies on a flat glass plate (n=1.51). When monochromatic light is incident normally on the system, What is the thickness of the film
A shell is shot with an initial velocity v0 of 18 m/s, at an angle of ?0 = 60° with the horizontal. How far from the gun does the other fragment land
the ball leaves the students hand with a speed of 12.0 when the hand is 2.20 above the ground. how long is the ball in
A football punter accelerates a football from rest to a speed of 13 m/s during the time in which his toe is in contact with the ball. what average force does the punter exert on the ball
A railroad train is traveling at 30.0 m/s in still air. What frequency is heard by a passenger on a train moving in the opposite direction to the first at 18.0 m/s and approaching the first
The wheel then slows down with a constant deceleration until it stops. If the wheel rotates through a total angle of 325 radians from t=0 to the instant when the rotation ceases, find the angular deceleration and the total time of rotation.
An object is accelerated by a force. If the acceleration increases by a factor 2 and the mass increases by a factor 3, by what factor was the force increased? The answer must be exact.
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