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An antiproton (same properties as a proton except that q = -e) is moving in the combined electric and magnetic fields of the figure below, in which 1050 V/m is the magnitude of the electric field (directed down) and 466 m/s is the antiproton's speed (to the right). (a) What are the magnitude and direction of the antiproton's acceleration at this instant? m/s2 (b) What would be the magnitude and direction of the acceleration if were reversed? m/s2
The Earth is constantly being bombarded by cosmic rays, which consist mostly of protons. Assume that these protons are incident on the Earth's atmosphere from all directions at a rate of 1090. protons per square meter per second.
An airplane has a mass of 1.8×10^6 kg , and the air flows past the lower surface of the wings at 94 m/s .f the wings have a surface area of 1300 m^2, how fast should the air flow over the upper surface of the wing if the plane is to stay in the ai..
A parallel-plate capacitor is charged and then disconnected from the battery that charged it. A teflon layer is inserted between the plates
An electron is moving east in a uniform electric field of 1.53N/C directed to the west. What is the speed of the proton at point B
describe the change in flux through and the induced current in a loop of wire rotated in a uniform magnetic field
A 200g ball on a 60 {cm}-long string is swung in a vertical circle about a point 200 {cm} above the floor.
Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 1.60×106N, What is the total work done by the two tugboats on the supertanker
find out the speed of the test charge. How many electrons should be removed from A and put onto B to make the electrostatic force that acts on each object an attractive force whose magnitude is 23.6 N.
A spaceship moves with a speed v = 0.86c relative to a space platform that has a landing strip 4500 m long. What is the apparent length of the landing strip
A horizontal force of 213 N is exerted on a 1.90 kg discus as it rotates uniformly in a horizontal circle (at arm's length) of radius 1.60 m. determine the time for one revolution of the discus. Round the answer to 2 decimal places.
when point charge q1 = +5.0uC and q2 = +2.4uC are brought near each other, estimate the distance between the charges
The magnetic field component of the electromagnetic wave is 15.0 microT. What is the magnetic energy density of the wave
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