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Figure 19-26 shows two paths that may be taken by a gas from an initial point i to a final point f. Path 1 consists of an isothermal expansion (work is 60 J in magnitude), an adiabatic expansion (work is 38 J in magnitude), an isothermal compression (work is 47 J in magnitude), and then an adiabatic compression (work is 14 J in magnitude). What is the change in the internal energy of the gas if the gas goes from point i to point f along path 2?
A beam of hydrogen molecules (H2) is directed toward a wall, at an angle of 68 ° with the normal to the wall. What is the beam's pressure on the wall
A student wants to lose some weight. He knows that rigorous aerobic activity uses about 700 kcal/h (2900 kJ/h) and that it takes about 2000 kcal per day (8400 kJ) just to support necessary biological functions, at what rate will this student "burn"..
Two objects are thrown from the tope of a 10m tall builing. The first objects is thrown upwards with a velocity of 15 m/s, Determing the speed of both objects just before they hit the ground
A 148 gram baseball is hit toward the left by a bat. The magnitude of the force the bat exerts on the ball as a function of time, Find the magnitude of the impulse that the bat imparts to the ball
A parachutist with a camera, both descending at a velocity of 12 m/s, releases that camera at an altitude of 120 m.
An ideal gas is taken through a Carnot cycle. The isothermal expansion occurs at 240°C, and the isothermal compression takes place at 50.0°C. Find the energy expelled to the cold reservoir in each cycle
A car accelerates from rest to a kinetic energy of 1.65 x 10^5 Joules in a distance of 646 m. How much force did the car's engine deliver to produce the change in kinetic energy.
A 12.0 kg bucket of water of is suspended by a rope wrapped around a windlass, which is a solid cylinder 0.300 m in diameter with mass 17.0 kg. What is the time of fall
A force platform is a tool used to analyze the performance of athletes measuring the vertical force that the athlete exerts on the ground as a function of time. With what speed did she reach the platform
How much ice was in bucket before the copper block.
An observation satellite orbits the planet at a height of 1000 . What is the projectile's speed as it passes the satellite?
An empty parallel plate capacitor is connected between the terminals of a 9.44-V battery and charges up. what is the new voltage between the plates of the capacitor
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