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A uniform electric field of magnitude 250 V/m is directed in the negative x direction. A -15.1 uC charge moves from the origin to the point (x, y) = (24.3 cm, 48.9 cm).
(a) Determine the change in the potential energy of this charge?
(b) Find through what potential difference did the charge move?
A meteoroid, heading straight for Earth, has a speed of 14.8 km/s relative to the center of Earth as it crosses our moon's orbit, a distance of 3.84 × 108 m from the earth's center. What is the meteroid's speed as it hits the earth? You can neglect t..
in a cloud chamber experiment a proton enters a uniform 0.250 t magnetic field directed perpendiular to its motion. you
the altitude of a hang glider is increasing at a rate of 6.80ms. at the same time the shadow of the glider moves along
Monochromatic light of wavelength 683 nm passes through a fast shutter that opens for 10^(-10) s. The light the emerges will no longer be monochromatic. What will be the spread of the wavelengths?
During a rodeo, a clown runs 8.0 meter north, then turns 55o north of east, and runs 3.5 meter. Find what is the clown's total displacement
q1. a school bus takes 0.89 h to reach the school from your house. if an average velocity of the bus is 21.1 kmh to the
You observe that 28 crests of a waterwave pass you each minute. If the wavelength is 12 m, what is the speed of the wave
what are the magnitude and direction of its acceleration. find out the magnitude of the charge on the moving particle.
Four identical charges, +Q, occupy the corners of a square with sides of length a. A fifth charge, q, can be placed at any desired location. Find the loction of the fifth charge, and value of q, such that the net electric force acting on each of t..
A fire in an enclosure has reached flashover, & the gas temperature is assumed to be uniform at 1000oC. The enclosure has an opening 3 m wide & 2 m high. Find the position of the neutral layer, measured from the bottom of the opening.
In a binary star system, two stars have elliptical orbits about the center of mass of the system. what is the change in the gravitational potential energy of the system
A 5.00-g bullet, traveling horizontally with a velocity of magnitude 360 m/s, is fired into a wooden block with mass 0.800 kg, initially at rest on a level surface. What is the decrease in kinetic energy of the bullet
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