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A canister containing 150 kilogram of an ideal gas has a volume of 8.0 m x 103. If the gas exerts a pressure of 5.0 x 105 Pa, estimate what is the average speed of the molecules?
A small conductive rod of length 1.4 m moves with a constant velocity v=11 m/s in a direction parallel to a long wire carrying a current of 34 A. Calculate the electric potential induced across the rod
A spacecraft receding from he earth at 0.97c transmits data at the rate of 1*104pulses/s. At what rate are they received.
a cat with mass 4.5 kg is sitting on top of a turntable of mass 20 kg and radius 1.4 m. Calculate the magnitude of the angular velocity of the turntable in rotations per minute
A "swing" ride at a carnival consists of chairs that are swung in a circle by L = 14.2 m cables attached at an angle of ? = 62.7° to a vertical rotating pole. Calculate the tension in the cable attached to the chair
a toy is launched upward with a spring.its launch speed is 114msupwardand it is under no power once launched.while
Evaluate what is the final temperature of 350 gram of Pepsi to which 50 gram of ice has been added? The Pepsi came from the refrigerator (T=10oC) while the ice is at 0oC
How much time passes by they collide
A hair breaks under a tension of 1.1 N. What is the diameter of the hair? The tensile strength is 2.0 108 Pa
A 196.2 kg satellite is in a circular orbit of 26,273 miles (42,300,000 m) in radius. The force keeping the satellite in orbit is 42.1 N
An electric vehicle starts from rest and accelerates at a rate of 1.7 m/s2 in a straight line until it reaches a speed of 27 m/s. How much time elapses from start to stop
A chunk of metal is held stationary, suspended by a string and the tension in the string is 19.6 N. What is the mass of the chunk of metal
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. What is the orbital period of the faster planet, in years
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