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We found the centripetal acceleration of the Earth as it revolves around the Sun. Compute the centripetal acceleration of a point on the surface of the Earth at the equator caused by the rotation of the Earth about its axis.
A 3.40 g coin is positioned 16.0 cm from the center of a turntable. The coin has static and kinetic coefficients of friction with the turntable surface of mu_s = 0.720 and mu_k = 0.480. What is maximum angular velocity with which the turntable can sp..
His arm is 70 cm long and has a mass of 4.0 kg. Illustrate what is the magnitude of the torque about his shoulder if he holds his arm straight out to his side, parallel to the floor?
An aluminum cylinder is suspended in an unknown fluid by a spring scale. Outside the fluid, the object weighs 20N. In the fluid,
A fighter jet is launched from an aircraft carrier with the aid of its own engines & a steam-powered catapult. The thrust of its engines is 2.3 x 105 N. In being launched from rest it moves through a distance of 87 m & has a kinetic energy of 4.5 ..
A cave rescue team lifts an injured spelunker directly upward and out of a sinkhole by means of a motor-driven cable. The lift is performed in three stages, each requiring a vertical distance of 14.0 m
A series AC circuit contains a resistor, an inductor of 220 mH, a capacitor of 6.00 µF, and a source with ?Vmax = 240 V operating at 50.0 Hz. Calculate the capacitive reactance
In an electron microscope, there is an electron gun that contains two charged metallic plates 2.90 cm apart. Determine the acceleration of the electron
Find out the magnitude of the charge on the moving particle. The baby soon learns to bounce with utmost amplitude and minimum effort by bending her knees at what frequency.
a soccer ball is kicked simultaneously by bryan and anthony. bryon kicks with 700 N force to the west while anthony kicks with 800 N force to the north. calculate the net force acting on the ball
An arrow is shot vertically upward and then 2.06 s later passes the top of a tree 41.3 m high. How much longer will the arrow travel upward
How much waste heat is produced by an electrical power station that uses 1.45 ? 1014 J of heat input with an efficiency of 38.0%, What is the ratio of waste heat to work output
A person stretches a rope of length 55 m between the top of a building to the base of a tree d = 23 m away. How tall is the building.
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