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A chain of length L and total mass M is released from restwith its lower end just touching the top of a table. Find the force exerted by the table on the chain after the cahin has fallenthrough a distance x. (assume each link comes to rest the instantit reaches the table.)
A 2.00×10-2- cube of ice at an initial temperature of -19 is placed in 0.670 of water at 44.0 in an insulated container of negligible mass.
An object at rest explodes into three pieces of equal masses. One moves east at 23 m/s, while the second piece moves northwest at 14 m/s. Estimate the velocity of the third piece? Suppose each piece has a mass of 2 kg.
A 5 kg object is dropped from rest 2.5m above the ground. What is the kinetic energy of the object just before it hits the ground
The intensity of a sound produced by a point source decreases as the square of the distance from the source. What is the maximum distance at which the riveter is still audible
A wire is formed into a circle having a diameter of 10.6 cm and is placed in a uniform magnetic field of 2.73mT. Find the maximum torque on the wire
A pronghorn antelope has been observed to cover 1.60 km with an average speed of 67.0 km/h. The antelopes speed during the first half of the distance is 88.0km/h. find the antelopes speed during the second half of its run
The kinetic energy of an object is increased by a factor of 7, by what factor is the magnitude of its momentum changed
A photon of energy 50 MeV moves along the x-axis and Compton scatters with an electron initially at rest. After the collision the resulting photon is observed traveling along the y-axis and the electron has recoiled.
A copper-bottomed kettle, its bottom 24 cm in diameter and 3.0 mm thick, sits on a burner. What is the temperature of the bottom surface of the kettle
A ball is launched from the top edge of a building 32.8 m high at a speed of 23.7 m/s at an angle of 15.0 degrees above the horizontal. Find the horizontal distance from the building at which the ball lands
Use conservation of energy to calculate the speed of the alpha particle at infinity. m/s (e) If the two protons are released from rest and the alpha particle remains fixed, calculate the speed of the protons at infinity. m/s
A 66-g ice cube at 0°C is placed in 865 g of water at 26°C. What is the final temperature of the mixture
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