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A puck of mass 8 kg moving at 8m/s strikes an identical puck that is stationary on frictionlessice. After the collision, the firstpuck leaves with a speed of v1 at an angle of 31.4757? with respectto its original line of motion and the second puck leaves with aspeed of v2 at 58.5243?. Find v1.
At point A, 4.20m from a small source of sound that is emitting uniformly in all directions, the intensity level is 52.0dB. How far must you go so that the sound level is one-fourth of what it was at A
A sealed tank containing seawater to a height of 11.1m also contains air above the water at a gauge pressure of 2.85atm. How fast is the water moving
Looking out the window of a train you observe the passengers on a second train moving in the opposite direction at a constant velocity. determines which of the two trains is actually moving
A wire coil is oriented so that its plane is perpendicular to a magnetic field of 0.58 T initially pointing to the left. What is the average induced emf, if the diameter of the coil is 49 cm
There is a clever kitchen gadget for drying lettuce leaves after you wash them. what is the magnitude of the centripetal acceleration at the outer wall
To store the energy produced in 1hour by a 110 electric power plant, how many cubic meters of water will have to be pumped from the lower to the upper reservoir? Suppose the upper reservoir is 510 meters above the lower one, and we can neglect the sm..
explain the magnitude of the centripetal acceleration. At what two locations on the x-axis (xpositive, xnegative) is the potential zero.
q. consider an infinite wire with radius r that carries a current ia compute b r for r lt rconsider a large parallel
You want to produce a magnetic field of magnitude 5.50×10?4T at a distance of 4.00×10?2m from a long, straight wire. What current is required to produce this field
A block with mass m = 16.0 kg rests on a frictionless table, What distance does the spring need to be compressed so that the block will just barely make it past the rough patch when released
A sailor strikes the side of his ship just below the surfaceof the sea. He hears the echo of the wave reflected from the oceanfloor directly 3.09 s later. How deep is the ocean at this point
A cylindrical brass sleeve is to beshrink-fitted over a brass shaft whose diameter is 3.216 cm at 0°C. The diameter of the sleeve is3.205 cm at 0°C. To what temperature must the sleeve beheated before it will slip over the shaft
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