Determine the wire linear charge density
A proton orbits a long charged wire, making 1.50 times 10^{6} revolutions per second. The radius of the orbit is 1.60 cm. What is the wire's linear charge density?
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A small glass bead has been charged to + 10.0 nC. A metal ball bearing 1.90 cm above the bead feels a 1.20×10-2 N downward electric force. What is the charge on the ball bearing?
When solving this problem use an inertial coordinate system, as drawn here. (Intro 2 figure) Given the angular speed omega, find the radius R(omega) at which the mass rotates without moving toward or away from the origin. Express the radius in ter
Discuss the long-term effects of conventional and conservation tillage on the soil environment.
A 202-kg projectile, fired with a speed of 123 m/s at a 53.0 angle, breaks into three pieces of equal mass at the highest point of its arc (where its velocity is horizontal).
A long horizontal wire carries a current of 48 {rm A}. A second wire, made of 2.6 mm diameter copper wire and parallel to the first, is kept in suspension magnetically 15 {rm cm} below. Determine the magnitude of the current in the lower wire.
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The altitude of a hang glider is incrasing at a rate of 6.8 m/s. At the same time, the shadow of the glider moves along the ground at a speed of 15.5m/s when the sun is directly over head. Find the magnitude of the glider's velocity.
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