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(A) An electron is accelerated from rest by a potential difference of 440 V. It then enters a uniform magnetic field of magnitude 220 mT with its velocity perpendicular to the field. Calculate the speed of the electron.
(B) Calculate the radius of its path in the magnetic field.
If a container has a water level 20 cm above the base and you punch a hole in the side 12 cm high
In a piston-cylinder assembly, 20 KJ of boundary work is being done on the piston. determine the axial displacement of the piston
Question on a planet similar to Earth
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Illustrate at what horizontal distance, x, from the base of the building will the rock strike the ground? Assume the ground is level and that the side of the building is vertical. The acceleration of gravity is 9.8 m/s2 .
A 22.5-kg rock is sliding on a rough, horizontal surface at 9.50 m/s and eventually stops due to friction. What average power is produced by friction as the rock stops
A uniform electric field has a magnitude 330 N/C and is directed along the +y-axis. what is the change in potential energy for this charge
What is the greatest distance foot of the ladder can be placed from the base of the wall without the ladder immediately slipping.
Suppose you decide to travel to a star 85 light-years away at a speed that tells you the distance is only 10 light-years
A small telescope has a concave mirror with a 4.00-m radius of curvature for its objective. Its eyepiece is a 4.25-cm focal length lens. What is the angle of its telescopic image?
The density of water is 1.0 x 10^3 kg/m3. Calculate the gauge pressure in the pipe at this location.
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