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Suppose that subsequent to this heating, 2.00 104 J of thermal energy is removed from the gas isothermally. Find the final volume in terms of the initial volume of the example, V0. (Hint: Follow the same steps as in the example, but in reverse. Use the values in the Practice It section. Also note that the initial volume in this exercise is 1.25 V0.).
A worker pushed a 27kg block 7.4m along a level floor at constant speed with a force directed 29° below the horizontal.
A horizontal spring with a spring constant of 0.6 N/m sits on a frictionless table, What is the magnitude of the elastic force on the mass just after it is released
A 68-kg skater moving initially at 2.4 m/s on rough horizontal surface comes to rest uniformly in 3.52 s due to friction. What force does friction exerts on the skater
A convex lense of focal length 18 cm is used as a magnifying glass. at what distance from a tiny insect must you hold this lense to get a magnification of 3.
An ideal spring with a stiffness of 379N/m is attached to a wall, and its other end is attached to a block that has a mass of 16-kg. The spring/block system is then stretched away from the spring's relaxed position until 59J of mechanical potentia..
Keeping a constant speed of 0.6 m/s, a marble of mass 18 g rolls back & forth across a shoebox that is 14 cm high & 2 mm thick. Estimate the probability of its escaping through the wall of the box by quantum tunnelling.
You find an unlabeled box of fine needles, and want to determine how thick they are. A standard ruler won't do the job, What is the diameter of the needle
A uniform magnetic field of magnitude B = 0.020 T is in the positive y-direction. Determine the magnitude and direction of the magnetic force on each segment.
A device known as Atwood\'s machine consists of two masses hanging from the ends of a vertical rope that passes over a pulley. Assume the rope and pulley are massless and there is no friction in the pulley.
A gymnast with mass m1 = 40 kg is on a balance beam that sits on (but is not attached to) two supports. The beam has a mass m2 = 110 kg and length L = 5 m. Each support is 1/3 of the way from each end. at first the gymnast stands at the left end of..
A +10uC charge is 20cm away from a -40uC charge. Detrmine the field of intensity
A car with its parking brake on starts sliding down an extremely slippery icy h=6 m high embankment into a level snowy muddy field with a coefficient of kinetic friction of 0.8
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