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A ball is launched at 100 m/ s at 75 degrees from a 40m tall building. Find the Max Height, how far the ball lands from the launch site, the velocity in the x & y directions, in the y-direction at impact, and the resultant velocity vecto at impact.
A skier of mass 72 kg is pulledup a slope by a motor-driven cable. What power must a motor have to perform this task
A golf ball strikes a hard, smooth floor at an angle of 24.7 ° and, as the drawing shows, rebounds at the same angle. compute the magnitude of the impulse applied to the golf ball
A 4.5×106kg spaceship moves away from Earth with a speed of 0.78c. What is the magnitude of the ship's relativistic momentum
A square copper plate has a circular hole in its center. Each side of the plate is 23.52 cm, and the radius of the circular hole is 7.827 cm. find the radius of the hole
q1. a rubber ball of mass m 0.739 kg is dropped from a height ho 4.73 m and it rebounds to a height hf 3.66 m.
At what average rate does the force from the cable. A falling skydiver has a mass of 54.5 kg. What is the magnitude of the skydiver's acceleration when the upward force of air resistance has the magnitude that is equal to one-fourth of his weight.
a hydrogen atom is in the n=15 state. In the Bohr model, how many electron wavelengths fit around this orbit
A cube of ice is taken from the freezer at -9.5°C and placed in a 105 g aluminum calorimeter filled with 323 g of water at room temperature of 20°C. What was the mass of the ice cube
The maximum current in a superconducting solenoid can be as large as 3.61 kA. what is the magnitude of the magnetic field it produces
A large tank is filled with methane gas at a concentration of 0.585 kg/m3 The valve of a 1.38-m pipe connecting the tank to the atmosphere is inadvertently left open for fourteen hours. What is the cross-sectional area of the pipe
Does current through a power supply increase when parallel bulbs are added? For example, if you have a circuit with one bulb and measure the current through the bulb to be 100 mA, what is the current through the power source when you add another b..
How far does Tinki drive before passing David.
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