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An electron and a positron each have a mass of 9.11 x 10-31 kg. They collide and both vanish, with only electromagnetic radiation appearing after the collision. If each particle is moving at a speed of 0.15c relative to the laboratory before the collision, determine the energy of the electromagnetic radiation.
A car rounds a corner of radius 80 m at a speed of 20 m/s. What is the smallest value that the coefficient of static friction between the wheels and the road can have
An X-ray photon with a wavelength of 0.260nm scatters from a free electron at rest. Find the initial momentum of the photon
A blackened, solid copper sphere that has a radius equal to 4.5 cm hangs in an evacuated enclosure whose walls have a temperature of 23°C. find the initial rate at which its temperature changes
A bicycle tire pump has a piston with area 0.44 in. If a person exerts a force of 30lbs on the piston while inflating a tire, what pressure does this produce on the air in the pump.
The spacing between the lines in the pure rotational spectrum of 11B-2H (numbers are superscripts) is 3.9214E-11 s^-1, Calculate the bond length of this molecule
A 14.8cm diameter loop of wire is initially oriented perpendicular to a 1.3T magnetic field, What is the average induced emf in the loop
On illustrate what form does an S corporation report its income to the IRS? When is the tax return due? Illustrate what information does the S corporation provide to shareholders to allow them to complete their tax returns?
To start an avalanche on a mountain slope, an artillery shell is fired with an initial velocity of 340 m/s at 47.0° above the horizontal, What are the x and y coordinates of the shell
If 70% of a radioactive sample has decayed in 5.0 x 103 years, what is the decay constant of the material
A series RCL circuit includes a resistance of 254, an inductive reactance of 865, and a capacitive reactance of 427. What is the voltage of the generator
a 50.0 cm open-open tube 6.0 cm in diameter has a measured f1= 304 Hz. calculate the end correction constant from these data.
A major-league pitcher can throw a baseball in excess of 44.2m/s. If a ball is thrown horizontally at this speed, how much would it drop by the time it reaches the catcher who is 16.10 m away from the point of release.
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