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Suppose that an electron is moving with a velocity of 4 × 106 m/s in a uniform magnetic field of 0.4 T. perpendicular to the direction of the magnetic field. The charge on electron is 1.60 × 10-19C. 1. Find the radius of the circular orbit that an electron will make in this uniform magnetic field. 2. If the proton is moving with the same velocity in the same magnetic field, what will be the radius of the path of the proton. Compare the radii of both paths (for electron and proton) and compare it with the mass ratios of both particles.
An investigator finds a fiber at a crime scene that he wishes to use as evidence against a suspect. What is the diameter of the fiber
Calculate the gravitational acceleration of a falling object near the Moon's surface. (The Moon's mass is 7.36×10²²kg)
A 165-N sign is supported by two ropes. One rope pulls up and to the right 35.5° above the horizontal with a tension T1, and the other rope pulls up.
a person pulls a toboggan for a distance of 20.0 m along the snow with a rope directed 30.0deg above the snow. the
Two air-track gliders of equal mass are initially moving in the same direction along a straight line. What is the speed of the second glider
A .4 kg ball has a velocity of 25 m/s, what is the kinetic energy of the ball & how much work would be required to stop the ball
Larry installs a string of battery powered Christmas lights on his truck. The string of lights has the following charactersistics: lenth= 21 m, mobile charge density = 8.5e28 electrons/m^3, cross-sectional area=1.8e-7 m. when the lights are turned..
A group of students determined that the following points were upon the best fit line for a graph of W2 vs. Determine the total mass of the system
a snowball rolls off a barn roof that slopes downward at an angle of 40.0 degrees. the edge of the roof is 14.0 meters
Consider a pure ensemble of a spin 1/2 system. Suppose , and the sign of are known. Show how we may determine the state vector. Why is it unnecessary to know the magnitude of ?
The vapor pressure of water at 10 °C is 1300 Pa. (a) what percentage of atmospheric pressure is this? Take atmospheric pressure to be 1.013 × 105Pa. (b) what percentage of the total air pressure at 10 °C is due to water vapor when the relative humidi..
Explain the effect oftime constant over the RC response curve. To show the effect, consider the following circuit.
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