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A) An unstable particle is at rest and suddenly decays into two fragments. No external forces act on the particle or its fragments. One of the fragments has a speed of 0.70c and a mass of 6.68×10?27kg, while the other has a mass of 1.67×10?27kg. What is the speed of the less massive fragment?
B) The total annual energy consumption in the United States is about 1×1020J. How much mass would have to be converted to energy to fuel this need?
What is the sound intensity level. One on an Incline--One Hanging A block of mass mA = 4.50 kg on a frictionless inclined plane of angle 30.0° is connected by a cord over a massless, frictionless pulley to the second block of mass mB = 2.80 kg ha..
A ‘U' shaped pipe contains a liquid that is sealed at both ends by pistons. Determine the downward force
As a 1.00 cm diameter plunger reduces the height of the column of air inside the chamber from 7.00cm down to 0.50cm, the temperature inside increases from 20C to 210C. Determine the air pressure inside the chamber (in atm) after compression if the..
At its Ames Research Center, NASA uses its large "20-G" centrifuge to test the effects of very large accelerations ("hyper gravity") on test pilots and astronauts. In this device, an arm 8.84 {rm m} long rotates about one end in a horizontal plane..
Block 1, of mass m1 = 0.700kg , is connected over an ideal (massless and frictionless) pulley to block 2, of mass m2, Find the mass of block 2
The model airplane in figure below is flying at a speed of 19 m/s on a horizontal circle of radius 17 m, What is the net work done on the plane
In a game of basketball, a forward makes a bounce pass to the center. The ball is thrown with an initial speed of 2.50 m/s at an angle of 15.5° above the horizontal. It is released 0.73 m above the floor. What horizontal distance does the ball cover ..
A square aluminum plate 10.0cm on a side carries an electric charge of -2.88x10^-12C.
Determine the magnitude of the total initial momentum of the two-block system. Find , the magnitude of the final velocity of the two-block system. What is the change in the system's kinetic energy due to the collision?.
A space probe on the surface of Mars sends a radio signal back to the Earth, a distance of 8.48 x10^7 km. Radio waves travel at the speed of light (3.00 x10^8 m/s). How many seconds does it take for the signal to reach the Earth.
The spring is compressed against the floor a distance 2.5 cm and released. If the spring constant is 119 N/m, illustrate what is the magnitude of the spring force acting on the toy at the moment it is released?
A 2.96 mA beam of electrons moving at 2.09x106 m/s enters a region with a sharply defined boundary, Find the transmitted and reflected currents
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