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Suppose a 0.120 -kg mass on a spring-loaded gun that has been compressed 0.260 m has elastic potential energy of 29.0 J. How high above the spring's equilibrium point can the gun fire the mass if the gun is fired straight up?
You step onto a hot beach with your bare feet. How much time does it take for the impulse
A luminous disk of diameter 2 cm is places 0.8m to the left of a flat screen. A converging lens is places among the disk and the screen at a location 20cm from the disk and a real image is formed on the screen.
Project Seafarer was an ambitious program to construct anenormous antenna, buried underground on a site about 10000km2 in area. What would be the period of the radiations emitted
Investigators are researching the appearance of a strange movement of objects in what the local community considers a haunted house. how strong was the magnetic field that produced this EMF
A 70.0Hz generator with an rms voltage of 115V is connected in series to a 3.25 kΩ resistor and a 3.50 µF capacitor. Find the phase angle between the current and the voltage
The pressure inside a bottle of champagne is 4.34 atm higher than the air pressure outside. The neck of the bottle has an inner radius of 1.10 cm. What is the frictional force on the cork due to the neck of the bottle?
A ladder 6.10 m long leans against the side of a building. If the ladder is inclined at an angle of 76° to the horizontal, what is the horizontal distance from the bottom of ladder to the building.
a block is being moved up a 60.0deg incline as shown in the figure above. the block has a mass of 16.0 kg. the block is
An electron is moving in a concentric circular orbit inside asolenoid of radius 4.89 cm, in such a manner that it grazesthe inside surface of the coil at all the points of its orbit. Thespeed of the electron is 9,820 m/s, and the solenoid has3.50×..
A laser beam of unknown wavelength passes through a diffraction grating having 5590lines/cm , At what angle will the next pair of bright spots occur
You compress a spring with k = 3000 N/m a distance of 0.2 m with a block of mass 4 kg. You then release the block. It slides along a frictionless surface and then goes up an incline of 35 degrees. How far up the incline (along the hypotenuse of the t..
A billiard ball of mass 163 g and radius 3.0 cm starts with a translational speed of 2 m/s at point A on the track as shown in the figure below. If point B is at the top of a hill that has a radius of curvature of 79 cm, what is the normal force a..
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