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Suppose 5.6 moles of a monatomic ideal gas expand adiabatically, and its temperature decreases from 250 degree C to -84 degree C.
a) Determine the work done by the gas.
b) Determine the change in its internal energy.
an implanted pacemaker supplies the heart with 72 pulses per minute each pulse providing 6.4 v for 0.67ms . the
A particular steel guitar string has mass per unit length of 1.93 g/m. If the tension on this string is 63.3 N, what is the wave speed on the string?
Tarzan, with a mass of 80.0 kg, wants to swing across a ravine on a vine, but the cliff on the far side of the ravine is 0.900 m higher than the cliff where Tarzan is now, How fast is Tarzan going at the bottom of his swing
A toy steam engine has a mass of 1.00 kg. The toy starts from rest and reaches a velocity of 4.00 m/s in a time of 3.00 seconds while covering a distance of 4.50 meters, What is the change in the internal energy of the toy
Two runners compete in a race of 10.04 km. One runner has a steady speed of 11.14 km/h. What is the difference in time for the two runners
an object mass 10.0 kg slides upward on a slippery vertical wall. a force f of 60n acts at an angle of 60 degrees.
water travels through a 9.6 cm diameter fire hose with a speed of 1.3 m/s. At the end of the hose, find the speed of the water coming out of the nozzle
A 143 O lamp, a 29 O electric heater, and a O 53 fan are connected in parallel across a 135 V line. What power is expended in the heater
A friend of yours who starts out at the same age as you travels to the alpha centauri solar system which is 5.20 light-years away. How much older than your friend are you now
The length of a simple pendulum is 0.65 m and the mass of the particle (the "bob") at the end of the cable is 0.26 kg. What is the angular frequency of the motion
A golf ball strikes a hard, smooth floor at an angle of 24.7 ° and, as the drawing shows, rebounds at the same angle. compute the magnitude of the impulse applied to the golf ball
A near-sighted person might correct his vision by wearing diverging lenses with focal length f = -40cm. Use ray tracing to determine the height of the image
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