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A gas sample enclosed in a rigid metal container at room temperature (20.0) has an absolute pressure . The container is immersed in hot water until it warms to 40.0. What is the new absolute pressure?
A cold beverage can be kept cold even on a warm day if it is slipped into a porous ceramic container that has been soaked in water. Assume that energy lost to evaporation matches the net energy gained via the radiation exchange through the top and..
The Earth moves in a very nearly circular path around the Sun over the course of one year. Express the speed of the Earth in astronomical units per year and in km s-1.
Two soccer players, Mia and Alice, are running as Alice passes the ball to Mia. What is the magnitude and direction of the velocity of the ball relative to the ground
A body of rest mass m0, travelling initially at a speed 0.6c. makes a completely inelastic collision with an identical body initially at rest, (a) What is the speed of the resulting single body? (b) What is its rest mass?
At an outdoor market, a bunch of bananas attached to the bottom of a vertical spring of force constant 16.0 N/m is set into oscillatory motion with an amplitude of 20.0 cm. What is the weight of the bananas in newtons
A skier of mass 70kg is pulled up a slope by a motor driven cable. the work required to pul him 60m up a 30 degrees slope, What horsepower must a motor have to perform this task
The pluto atmosphere has carbon monoxide in it. CO has a rotational constant of 1.73 cm-1. What is the temperature of the Pluto atmosphere
A 1.0-kg mass is projected vertically upward from ground level with an initial speed of 45 m/s. How much work is done on the mass by air resistance
A tourist takes a picture of a mountain 14 km away using a camera that has a lens with a focal length of 50 mm, What is the ratio of the height of the mountain's image on the camera's image
At the beginning of a basketball game, a referee tosses the ball straight up with a speed of 5.03 m/s. What is the minimum time that a player must wait before touching the ball
A softball of mass 0.220 kg that is moving with a speed of 5.5 m/s (in the positive direction) collides head-on and elastically with another ball initially at rest. calcultae the velocity of the target ball after the collision
a massless spring of spring constant 50 N/m is suspended vertically. Set the vertical origin to the natural length of the spring. what are the amplitude and frequency of the oscillations
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