An electron moves in a region where the magnetic field is uniform, has a magnitude of 60 ?T, and points in the positive x direction. At t = 0 the electron has a velocity that has an x component of 30 km/s, a y component of 40 km/s, and a z component of zero. What is the radius of the resulting helical path?
a. 4.7 mm
b. 18 mm
c. 3.8 mm
d. 2.8 mm
e. 5.7 mm
c
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A. increase. B. decrease. C. not be affected.
In addition to Saturn's Titan, which other moon has a nitrogen atmosphere?
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When an automobile moves with constant velocity the power developed is used to overcome the frictional forces exerted by the air and the road. If the power developed in an engine is 50.0 hp, what total frictional force acts on the car at 55 mph (24.6 m/s)? One horsepower equals 746 W.
What will be an ideal response?