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Two carts of masses m and 3m are at rest on a horizontal frictionless track. A person pushes each cart with the same force F for 5 s. If the kinetic energy of the lighter cart after the push is K = 180J, What is the kinetic energy of the heavier cart?
Young's double-slit experiment is performed with 587-nm light and a distance of 2.00 m between the slits, Determine the spacing of the slits
a proton mass m 1.673 x 10-27 kg is bound in a finite square well of width 4fm. the depth of the well is six times the
A piece of luggage is being loaded onto an airplane by way of an inclined conveyor belt. The bag, which has a mass of 20.0 kg, travels 2.50 m up the conveyor belt at a constant speed without slipping.
A parallel plate capacitor has a plate area of 0.535 m2 and a plate separation of 1.45 millimeter. Estimate what is its capacitance
A pipe springs a leak, which causes a stream of water to rise 8.0meters into the air. What is the minimum pressure within the pipe? Determine the velocity of the stream at the leak. If the hole is 1.0cm in diameter, determine the mass rate of flowthr..
A particular heat engine has a mechanical power output of4.80kW and an efficiency of26.0%. The engine expels8.90103J of exhaust energy in each cycle. Find the energy taken in during each cycle.
A uniform board is leaning against a smooth vertical wall. The board is at an angle above the horizontal ground. The coefficient of static friction between the ground and the lower end of the board is 0.620.
You need a transformer that will draw 14W of power from a 220 V (rms) power line, stepping the voltage down to 12V (rms). A. what is the current in the secondary coil. B.What should be the resistance of the secondary circuit? C.What will be the equiv..
a projectile is at the highest point in its path. is its acceleration at this instant greater than less than or equal
A particle with mass m=6.6x10-27 kg and charge q=+2e is moving in a magnetic field. it has a spiral trajectory with a radius of 30 cm. The magnitude of the manetic field is .5t. Find the componant of the velocity of the particle which perpendicula..
A Carnot refrigerator is driven by a small motor whose output of mechanical power is 100W. how much heat will be removed from the cool reservoir in one hour
parallel light of wavelength 656 nm is incident normally on a slit of width 0.04 mm.a calculate the angle of
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