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Consider a balloon of volume 2.1m3 that contains 3.9 moles ofhelium gas at a temperature of 288 K. Ifthe gas is compressed adiabatically so as to have a finaltemperature of 412 K, what is the work done by the gas? (Assume constant volume in this process.)
One of James Bond's adversaries is standing on a frozen lake. There is no friction between his feet and the ice. what is the magnitude of his horizontal recoil velocity
A rectangular channel n=0.012, 3.05m wide laid on a slope of 0.0049 carries 13.6 m^3/s. The channel is to be contracted to produce critical flow. What width of contracted section will accomplish this, neglecting any loss in the gradual reduction in w..
two equally charged particles are held 3.2x10-3m apart and then released from rest. the initial acceleration of the
Calculate the magnitude of the linear momentum of a 35 kg object on the equator, as measured from the center of the Earth. The radius of the Earth is 6371 km.
the ace towing company tows a disabled 10500 n automobile off the road at a constant speed. if the tow line makes an
The bullet passes through the block and emerges with its speed reduced to 100 m/s. The block slides a distance of 0.10 m along the surface from its initial position. Illustrate what is the coefficient of kinetic friction between block and surface?
at some point in space,the x and y components of the electric field are Ex= 1.73 N/C, respectively and Ey= 3.75 N/, respectively. What is the net charge of the particle
You're 6.0 m from one wall of a house. You want to toss a ball to your friend who is 6.0 m from the opposite wall. The throw and catch each occur 1.0 m above the ground
An archer shoots an arrow with a velocity of 45m/s at an angle of 50 degrees with the horizontal. An assistant standing on the level ground 150 m downrange from the launch point throws an apple straight up with the least initial speed required to ..
If the 2 kg mass slides on a horizontal frictionless surface, what is the speed of the mass 4 kg while it has fallen a distance 0.4 m downward from its rest position.
A rubber ball of mass 27.5 g is dropped from a height of 1.85 m onto a floor. What impulse was applied to the ball during the collision
A bat crashes into the vertical front of an accelerating subway train. what is the minimum acceleration of the train
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