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A ball is thrown with a speed of 15 m/s at a 78 degree angle. will it make it over a 10 m wall? How far from the wall does the ball need to be thrown so that the ball is at the maximum height as it goes over the wall? I got 9.33m for the first question, but I'm having problems for the second question.
A bicycle wheel of mass M (assumed to be concentrated at its rim) and radius R is mounted horizontally so it may turn without friction on a vertical axle. A dart of mass mo is thrown with velocity vo above and sticks in the tire.
Assuming the sun to radiate like an idea thermal source at a tempterature of 6000 K, What fraction of the total solar radiation
After a hard rain, you walk out into the parking lot and notice an oil sheen on top of a puddle of water. when viewed from directly above, What wavelength of light is transmitted into the water
A rope, assumed massless, is stretched horizontally between two supports that are 3.43 m apart. obtain the tension in the rope
a physics professor demonstrates the doppler effect by tying a 600hz sound generator to a 1.0-m-long rop, what are the highest and lowest frequencies heard by a student in the classs room
The water in a tank is at a gauge pressure of 283,685 Pa. what is the force on the bottom of the tank
A 57.0kg cheerleader uses an oil-filled hydraulic lift to hold four 130kg football players at a height of 1.40m, what is the diameter of the football players' piston
A double speed trap is set up on a freeway. One police cruiser is hidden behind a billboard, and another is some distance away under a bridge. As a sedan passes by the first cruiser, its speed is measured to be 99.7 mph.
A beam of light is incident from air on the surface of a liquid. find the critical angle for the liquid when surrounded by air
What is the potential energy of this group of charges. The coefficient of kinetic friction between the crate and the floor is 0.25. Find the acceleration of crate.
A saw blade has a mass of 0.5 kg and a radius of 10 cm and is rotating at 300 rpm. What frictional torque acts on the saw blade as it slows to a stop
One of the weapons considered for the "Star Wars" antimissile system is a laser that could destroy ballistic missiles. What laser beam intensity will produce such a field
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