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An electron moves from the initial position r = (0.1m)I to final position r=(0.2m)j. Along the electron's entire trajectory, it is subjected to a uniform electric field E=(15N/C)j. What is the change in the electric potential due to the electron's displacement, change V =(r final) - V(r int)? An electrostatic situation in which a 20uC point change is located at the center of a conducting spherical shell with an inner radius 4.0cm and an outer radius of 5.0cm. what is the surface charge density (i.e. charge per area) on the inner surface of the conducting sphere.
A flight attendant pulls her 71 N flight bag a distance of 322 m along a level airport floor at a constant velocity. The force she exerts is 36 N at an angle of 53° above the horizontal.
You perform a double-slit experiment in order to measure the wavelength of the new laser that you received for your birthday. What is your laser's wavelength expressed in nanometers
When the temperature of a coin is raised by 85.4 C°, the coin's diameter increases by 3.08 x 10-5 m. find the coefficient of linear expansion
If the magnitude of vector A is 10.0 m and that of vector B is 12.5 m, what is the range of values allowed for the magnitude of the sum of A and B?
a shower head has 20 circulaar openings, each with radiius 1.0 mm. what is its speed as it exits the shower head openings
A small block with a mass of 0.120kg is attached to a cord passing through a hole in a frictionless, horizontal surface. The block is originally revolving at a distance of 0.50 m from the hole with a speed of 0.70m/s. The cord is then pulled from ..
Oppositely charged parallel plates are separated by 4.52 mm. A potential difference of 600 V exists between the plates. (a) What is the magnitude of the electric field between the plates?
A train car with mass m1 = 527 kg is moving to the right with a speed of v1 = 8 m/s and collides with a second train car, What is the mass of the second train car
What is the kinetic energy of a carbon atom moving with a speed of 500 m/s.
A 1290kg car and 4860kg truck undergo a perfectly inelastic collision. Before the collision, the car was traveling southward at 1.80m/s, Find the velocity of the wreckage immediately after the collision
A ball is thrown on a projectile path with an initial vertical velocity of 30 m/s. find the initial horizontal velocity
A hammer taps on the end of a 4.00-m-long metal bar at room temperature. What is the speed of sound in this metal
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