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A neutron at rest decays into a proton and an electron. How much Kinetic energy (in MeV) are shared by the electron and proton? Can a proton decay into a neutron and positron?
A block of mass m=1.40 kg oscillates in simple harmonic motion due to the force of the spring to which the block is attached to. Express the displacement of the spring in terms of A when v= vm/2 and find its value
An electron is initially moving at a speed of 1740 m/s directly toward a long wire that has 2.00 A of current flowing through it. What are the direction and amount of the force
A 0.20-kg billiard ball travelling at a speed of 15.00 m/s strikes the side rail of a pool table at an angle of 60 degrees. If the side rail rebounds at the equal speed and angle what is the change in its momentum?
The shell, with radius R and negligible thickness, has net charge - 4.00 q. Find an expression for the electric field strength outside the sphere
A single force acts on a 8.0 kg particle-like object in such a way that the position of the object as a function of time is given by x = 3.0t - 4.0t 2 + 1.0t 3, Find the work done on the object by the force
A train consists of 4300kg locomotive pulling two loaded boxcars. The first boxcar has a mass of 12,700 kg and the second 16,300 kg. with what force in newtons do the boxcars pull on each other
An electron is moving to the north with a speed of 325 m/s when it encounters a magnetic field of 5 x 10^-5 T. What is the direction of the magnetic force acting on this particle
A converging lens (f = 13.0 cm) is held 6.20 cm in front of a newspaper, the print size of which has a height of 2.20mm. Find (a) image distance (in cm) and (b) height (in mm) of the magnified print.
A soccer player kicks the ball toward a goal that is 27.0 m in front of him. Find the speed of the ball when the goalie catches it in front of the net
How various revolutions per minute would a 21 -diameter Ferris wheel need to make for the passengers to feel "weightless" at the topmost point.
A28.0-kg block is initially at rest on a horizontal surface. A horizontal force of76.0N is required to set the block in motion, after which a horizontal force of57.0N is required to keep the block moving with constant speed.
A person can see clearly up close, but cannot focus on objects beyond 82.0cm . She opts for contact lenses to correct her vision. Is she nearsighted or farsighted
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