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A fisherman reels in 16.0 m of linewhile pulling in a fish that exerts a constant resisting force of20.0 N. If the fish is pulled in atconstant velocity, how much work is done on it by the tension in the line?
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Calculate the thermal de Broglie wavelengths for helium-4 (boson) and helium-3 (fermion) gases at T = 5K
A 60.0-kg runner expends 325 W of power while running a marathon. determine the volume of bodily fluid (assume it is water) lost per hour
Two nonconservative forces are present: friction does -2.00 104 J of work on the car, and a chain mechanism does +3.00 104 J of work to help the car up a long climb. Illustrate what is the change in the car's kinetic energy, ΔKE = KEf - KE0, fro..
How long does it take electrons to get from a car battery to the starting motor? Assume the current is 340 A and the electronstravel through a copper wire with cross-sectional area 0.21cm2 and length 0.85 m.
A woman finds the front windshield of her car covered with iceat -13.8°C. How much heat is required to meltthe ice
A professional golfer is examining a video of a practice swing. The high-speed footage shows that his club is in contact with the ball (which was initially at rest on the tee) for only 0.471 milliseconds, and the radar gun clocks the speed of the ..
A circular rod of length 25cm and diameter 8mm is made of 1045grade steel. (a) calculate the stress and strain in the rod, and its extension, when it is subjected to 5kN of tension.
14g of nitrogen gas at 0°C and 1 atm is compressed in an isochoric process to an pressure of 20 atm. How much heat is inputted into the gas
secretariat ran the 1.25 mi long kentucky derby with times of 25.4 s 24.4 s 23.7 s 23.2 s and 23.5 s for each of the
At the instant the car begins to accelerate, a truck with a constant velocity of 21 m/s passes in the next lane. Explain how far will the car travel before it overtakes the truck?
The team monitoring a space probe exploring the outer solar system finds that radio trasmissions from the probe take 1.71 hours toreach earth. How distant (in meters) is the probe?
shows a particle with positive charge q = 1.60 x 10-19 C is moving with speed v = 8.43 x 104 m/s toward a long straight wire with current i = 371 mA. find the magnitude of the force on the particle due to the current
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