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The temperature of 0.160 mol of an ideal gas is held constant at 72.5°C while its volume is reduced to 25 percent of its initial volume. The initial pressure of the gas is 1.45 atm.
(a) Compute the work done by the gas.
(b) Compute the change in its internal energy?
(c) Does the gas exchange heat with its surroundings?
A drop of water on a countertop reflects light from a flower held3.30 cm directly above it. What is the focal length of the water drop
A majorette in a parade is performing some acrobatic twirlings of her baton. Assume that the baton is a uniform rod of mass 0.120kg and length 80.0m With a skillful move, the majorette changes the rotation of her baton so that now it is spinning abou..
A 5.44-Ω resistor is connected across a 9 Volt battery. The voltage between the terminals of the battery is observed to be only 7.74 Volt. Evaluate the internal resistance of the battery
a projectile is projected from the origin with a velocity of 45.0 m/s at an angle of 30.0 degrees above the horizontal. what is the range of the projectile
A mass on a spring bobs up and down over a distance of 29 cm from the top to the bottom of its path four times each second. What are its period and amplitude
A person undergoing radiation treatment for a cancerous growth receives an absorbed dose of 1.8 Gy. All the radiation is absorbed by the gowth. Determine the rise in temperature
At an water park, a girl slides down a water slide into the main pool. determine what her speed at the bottom of the slide
If we observe a stars spectrum and find that the peak power occurs at the border between blue and ultraviolet light, what is the surface temperature of the star in Celsius
A conducting sphere carrying a charge ‘q' has a radius ‘a'. It is inside a concentric hollow conducting sphere of inner radius ‘b' and outer radius ‘c'. What is the charge on the outer surface
a 26.5 kg boy slides down a steep slide at a water park that is 10.9 m long and angled 75 degrees above the ground. what is the magnitude of the boys acceleration as he travels down the slide
An athlete swings a ball, connected to the end of a chain, in a horizontal circle. find Which rate of rotation gives the greater speed for the ball
A 3.9kg ball with a velocity of 3.2m/s in the +x-direction collides head-on elastically with a stationary 1.5kg ball. What is the speed of the first ball after the collision
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