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At the equator, near the surface of Earth, the magnetic field is approximately 42.0 µT northward and the electric field is about110 N/C downward in fair weather. Calculate the gravitational, electric, and magnetic forces on an electron with instantaneous velocity of 6.00 x 106 m/s directed to the east in this environment. (Answer in N)
in a particular region of the earth's atmosphere, the electric field above the earth's surface has been measured to be 153 N/C downward at an altitude of 241m, Calculate the volume charge density of the atmosphere
A model rocket blasts off and moves upward with anacceleration of 12m/s^2 until it reaches a height of 27m, at whichpoint its engine shuts off and it continues it flight in freefall. what is the max height attained by the rocket?
an electron moving with a velocity of 2.7 x106 ms in the positive x direction enters a region where there is a uniform
A man lifts a 20.0-kg bucket of concrete from the ground up to the top of a 20.0-m tall building. How much work was done by the man in lifting the bucket
The amplitude of an oscillator decreases to 68.7% of its initial value in 30.0s. What is the value of the time constant
a concave spherical mirror has a radius of curvature of 4.0 meters. a real object 5.0 cm high is placed 3.0 meters in
By what percent must one increase the tension in a guitar string to change speed of waves on the string from 327 m/s to 376 m/s.
Now suppose the gliders in the previous problem collide completely inelastically so that they stick together rather than rebounding off each other after they collide. Compare the initial and final kinetic energies
A 60.0kg skier traveling at 20.0m/s reaches the foot of a steady upward 20.0 degree incline and glides 35.0m along this slope before coming to rest. Calculate the fan's average angular acceleration
On the Moon\'s surface, lunar astronauts placed a corner reflector, off which a laser beam is periodically reflected. What is the difference in travel time for light that travels only through space to the moon and back and light that travels through..
A cold room has walls constructed of 0.24 m brick on the outside, 0.15 m foam insulation in the middle and 1.6 cm of wood on the inside. Calculate the outside and inside surface temperature of the composite wall
monatomic molecules adsorbed on a surface are free to move on this surface and can be treated as a classical ideal two
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