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Particle track detectors are used to measure the speed of particles if the lifetime of the particle is known. Particle X has a lifetime of 256.2 ps. These particles are created in an experiment inside the detector by a given reaction. The particles leave 12.8 cm long tracks on average before they decay into other particles not observable by the detector. What is the average speed of the particles in terms of the speed of light?
Objects A and B each have mass m. Each is traveling at speed v and in the opposite direction from the other object. As explained by the law of conservation of momentum, which event could not occur after the two objects collide?
a small metal sphere q1 carrying a net charge of -2.60microc is held in a stationary position by insulating supports.
A sledge loaded with bricks has a total mass of 17.8 kg and is pulled at constant speed by the rope inclined at 20.4° above the horizontal. The sledge moves a distance of 20.7 m on a horizontal surface. The coefficient of kinetic friction between ..
A submarine of mass 2.1x 103 kg and initially at rest firesa torpedo of mass 260 kg. The torpedo hasan initial speed of 100.1 m/s. What is the initial recoil speed of the submarine in m/s?
A uniform steel bar swings from a pivot at one end with a period of 1.3s. How long is the bar
Consider a rectangular metal loop of length of 0.15m and width of 0.08m. Determine the emf induced in the wire on the left side of the loop
Find the shear flow in each of the four webs and the maximum axial load in each stiffener
What is the radius r of the iron ball?
One lens of a near sighted man's eyeglasses has a focal length of-23.0 centimeter, and the lens is 2.1 centimeter from the eye. evaluate the focal length of the corresponding contact lens
Determine the work function of sodium and cutoff frequency - Determine the scattering angle of the scattered photon with respect to the positive x-axis, the energy of the scattered photon and the kinetic energy of the scattered electron.
suppose our experimenter repeats his experiment on a planet more massive than earth where the acceleration due to
a horizontal uniform bar of mass 2kg and length 3.0 m is hung horizontally on two vertical strings. string 1 is
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