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An electron and a positron have masses of 9.11 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 0.35c relative to the laboratory before the collision, determine the energy of the electromagnetic radiation.
A wooden block with mass of 55 grams is floating in a pool, ranging up and down in simple harmonic motion of frequency of 3.00 Hz. At which frequency will swing up and down the bottle
question 1 polymer diffusion the figure below indicates the result of a particle tracking experiment where lateral
A jogger's internal energy changes because he performs 6.10 105 J of work and gives off 4.9 multiplied by 105 J of heat. Determine the magnitude of the heat given off while walking
A spacecraft flies in the horizontal direction at a speed of v=0.980c, What is the slope angle to an astronaut on the spacecraft
The sun produces its power from the conversion of mass into energy by Einstein's equation E=mc2 where c=3x10^8 mls. the sun's intensity on the earth is 1346W/m^2, find the rate at which mass is being converted to energy in the sun
illustrate what is the magnitude of the acceleration of the box and hanging mass?
A 2,284-kg car is moving down a road with a slope (grade) of 13% at a constant speed of 11 m/s. What is the direction and magnitude of the frictional force
A well-insulated piston- cylinder device contains 6kg of superheated R-134a initially at 0.10Mpa and -10 degrees Celsius is compressed to a final state at 0.50mpa and 80 degrees Celsius. find the work required for this compression process
While looking through the Mt. Palomer telescope, you discover a large planetary object orbited by a single moon. calculate the density of Planet Hephaestus
Since you are pulling up a little on the crate, the floor doesn't have to support as much weight. When you are pulling up on the rope as described above, what is the upward force that the floor exerts on the crate.
Consider two planets in space that gravitationally attract each other. If the mass of one planet is increased six-fold, then the force between them changes by what factor
A 1400kg wrecking ball hangs from a 20m -long cable. By how much has the gravitational potential energy of the ball changed
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