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To make a bounce pass, a player throws a 0.60-kg basketball towardthe floor. The ball hits the floor with a speed of 5.4m/s atan angle 65o to the vertical. If the ball rebounds withthe same speed and angle, what was the impulse delivered toit by the floor?
Every 2 seconds, identical wave pulses are being sent along the string. At t = 3 seconds, you took a snapshot of the string and found the wavelength to be 10m. What's the velocity of the pulse?
A television is tuned to a station broadcasting at a frequency of 7.00×10^7Hz . For best reception, the rabbit-ear antenna used by the TV should be adjusted to have a tip-to-tip length equal to half a wavelength of the broadcast signal.Find the op..
Two ice skaters are gliding together along the ice, both moving at a constant velocity (sliding without exerting a force). What is the initial speed of the skaters
A transformer is designed to change 120V into 10,000V, andthere are 164 turns in the primary coil. How many turns are in the secondary coil
if you hold a 40 cm high square plane mirror 45 cm from your eyes, how far are you from the pole
A cargo plane in flight lost a package because somebody forgot to close the rear cargo doors. You are on the team of safety experts trying to analyze what happened, Calculate the time at which the package fell off the back ramp
If a technician strikes this blade with a mallet 1.15m from the center with a 40.0N force perpendicular to the blade, find the maximum angular acceleration the blade could achieve
The cliff divers of Acapulco push off horizontally from rock platforms about 35m above the water, What minimum pushoff speed is necessary to clear the rocks
A conducting sphere of radius r1 = 0.29 m has a total charge of Q = 2.2 uC, What is the total charge on sphere two, Q2 in C
Three insulating balls are suspended from thin threads. Various objects are then rubbed against other objects and each of the insulating balls is charged by touching them with one of these objects. In each case.
An astronomer observes a comet and measures the wavelength of the H? line to be at 486.2 nm. In the lab, the line is found to be at 486.1 nm. What is the Lorentz factor for the comet
A football is kicked at ground level with a speed of 40 m/s at an angle of 32.0 degrees to the horizontal. How much later does it hit the ground
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