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A uniform electric field with a magnitude of 5650 N/C points in the positive x direction.
(a) Obtain the change in electric potential energy when a +16.0 μC charge is moved 4.50 cm in the negative x direction.
(b) Obtain the change in electric potential energy when a +16.0 μC charge is moved 4.50 cm in the positive y direction.
A very long solenoid with a circular cross section and radius r= 8.1cm with n= 1.90E+4 turns/m has a magnetic energy density uB= 5.70 mJ/m3. What is the current in solenoid.
An unscratched spring has a length of 0.30 m. When the spring is stretched to a total length of 0.60 m, it supports traveling waves moving at 4.5 m/s. How fast will waves travel on this spring if it is stretched to 0.90 m?
Ted is sitting in his lawn chair when Stella flies directly overhead, going southeast at 114.5 m/s. Five seconds later, a firecracker explodes 190 m east of Ted. What are the coordinates of the explosion in Stella's reference frame?
An object is placed 19 cm to the left of a converging lens of focal length 29 cm. Find the position and magnification of the final image
a modern day archimedes finds the weight of the kings gold crown to be 60.21 n. when suspended by a light thread and
Type your question hereA bullet (m = 0.0210 kg) is fired with a speed of 92.00 m/s and hits a block (M = 2.60 kg) supported by two light strings as shown, Find the height to which the block rises
a 35 kg uniform ladder is leaned against a building. the 5 m tall ladder makes an angle of 60 degrees with the ground.
the velocity of light (c) is 3x108 m/s. an AM radio station is at 1500 (kHz) on the radio dial. what is the wavelength of the waves broadcast by this station
calculate the frictional force needed for a 900 kg car traveling around a 500 m radius curve at 25 ms if the car is to
Determine the minimum thickness of a soap film (n= 1.80) that will result in constructive interference of a specific red line with wavelength 610 nm
Unpolarized light passes through two Polaroid sheets. The transmission axis of the analyzer makes an angle of 40.1° with the axis of the polarizer. What fraction of the original light is absorbed by the analyzer
A rocket of total mass 3180 kg is traveling in outer space with a velocity of 115 m/s toward the Sun. how much mass must be expelled
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