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Five thousand joules of heat is put into a Carnot engine whose hot and cold reservoirs have temperatures of 600 and 200 K, respectively. How much heat is convertedd into work?
A child loses his balloon, which rises slowly into the sky. If the balloon is 23 cm in diameter as the child loses it, what is its diameter at the following altitudes? Assume that the balloon is very flexible and so surface tension could be neglec..
Calculate the maximum electric field associated with a laser beam operated with a 10 mW power supply and a beam diameter of 1.0 mm
Interactive LearningWare 26.2 offers a review of the concepts that play roles in this problem. What is the height of the final image
Sam (68.3 kg) and Alice (41.5 kg) stand on an ice rink, providing them with a nearly frictionless surface to slide on. Sam gives Alice a push, Calculate the change in the kinetic energy of the Sam-Alice system
If a 20kg mass hangs from the right side of a massless bar 5 meters in length and a 5kg mass hangs from the left side of the bar
A rotating circular solid metal ring sculpture mounted vertically on a swivel and rotates is located in Hawaii where the magnetic field is constant, what is the average power dissipated in the ring during this 4.0 second time period
During an adiabatic process, the temperature of 3.92 moles of a monatomic ideal gas drops from 485 oC to 205 oC. For this gas, find (a) the work done by the system, (b) the net change in internal energy of the system, and (c) the net heat absorbed by..
A steel cable is to support an elevator whose total (loaded)mass is not to exceed 2900 kg. calculate the minimum diameter of cable required
Calculate the absorbed dose in Gy to the skin of a person which receives 1500 ergs/gm of beta radiation from a cloud of radioactive krypton-85 gas.
A 80 kg diver steps off a 13 m tower and drops from rest straight down into the water. If he comes to rest 4.1 m beneath the surface, find out the average resistance force exerted on him by the water.
A 1000-kilogram race car is traveling at 60 m/s around a curved section of track that has a radius of 300 m. What is the car's centripetal acceleration? What is the centripetal force that acts on the car?
The question reads: A spaceship is approaching a space station at aspeed of 1.8 x 105 m/s. What is the change in frequency
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