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An electron is accelerated by a constant electric field of magnitude 285 N/C.
(a) Find the acceleration of the electron.
(b) Use the equations of motion with constant acceleration to find the electron's speed after 1.00 multiplied by 10-8 s, assuming it starts from rest.
A vertical cylinder closed from both ends is equipped with an easily moving piston dividing the volume in two parts, each containing 1 mole of air.In equilibrium at T=300K, the volume of the upper part is 4 times the volume in the lower part. At what..
A person on a rocket traveling at 0.50c (with respect to the Earth) observes a meteor come from behind and pass her at a speed she measures as 0.50c
"Fat Man," the atomic bomb dropped on Nagasaki at the end of World War II released approximately 88 x 10^12 J of explosive energy
what are the magnitude and direction of its acceleration. find out the magnitude of the charge on the moving particle.
A woman on a rocket traveling at 0.82c (with respect to Earth) observes a meteor come from in front of her and pass her at 0.85c
A uniform plank, 10.0 m long and weighing 200 N, is supported horizontally by a brick at one end and an egg at the other. What is the force exerted on the plank by the brick
If the pump outlet is blocked and the handle pushed until internal length of the pump cylinder is 21, by how much does the air temperature rise? Suppose that no heat is lost.
A uniform electric field of magnitude7.5×105 N/C points in the positive xdirection. Find the change in electric potential energy of a5.5-\mu {\rm{C}}
the wavelength of red helium-neon laser light in air is 632.8 nm.a what is its frequency?b what is its wavelength in
A brass lidscrews tightly onto a glass jar at 20°C. To help open the jar,it can be placed into a bath of hot water. Find the size of the gap (difference in radius) that develops by this procedure
Carol and Robin share a house. To get to work Carol walks north 2.5{\rm km} , while Robin drives west 8.0{\rm km} . how far apart are there two workplaces
A current of 15 A flows through an electric heater operating on 120 V. What is the heater's resistance? Compute the power consumption of the electric heater in kW? How much energy does it use in 600 min(10hrs)?
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