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Q1. A proton is moving at 2.00×105 m/s and begins to circle at a radius of 5.00e-3 m. What is the strength of the perpendicular magnetic field acting on the proton?
Q2. A hair dryer draws a current of 8.3 A.
(a) How much charge passes through the hair dryer in 3.5 min?
(b) How many electrons does this represent?
Q2. Drag race tires in contact with an asphalt surface have an extremely high coefficient of static friction. Assuming a constant acceleration and no slipping of tires, estimation the coefficient of static friction needed for a drag racer to cover 1.0 km in 12 seconds starting from rest.
What is an average speed for the new trip
How much work is completed on the box by the applied force
What is momentum of a truck speeding down the highway at a given instant? Discuss how the momentum is changed if the truck loses some of its cargo while maintaining the same velocity.
A positive charge of q = 3.5 µC is pulled on by two negative charges. One, -2.0 µC, is 0.050 m to the north and the other, -4.0 µC, is d = 0.029 m to the south. What total force is exerted on the positive charge .
Two wires are identical, except that one is aluminium and one is gold. The aluminium wire has a resistance of 0.18. What is resistance of the gold wire.
An object is 17 mm in front of a converging lens, and the image is 3 mm behind the lens. What is the focal length of the lens? Reply In mm
Sketch the shear force and bending moment diagram and Verify that the support reactions are correct.
What is magnetic flux through the desk surface
A water pipe is inclined 32.0° below the horizontal. The radius of the pipe at the upper end is 3.00 cm. If the gauge pressure at a point at the upper end is 0.117 atm, what is the gauge pressure at a point 2.65 m downstream, where the pipe has narro..
She notices a group of workers down the walkway who have suddenly blocked her path, and she makes a quick stop in 1.8 seconds. What is Suzies average acceleration
Find out an average acceleration of the motorcycle
How rapidly atom are assembled in this protein synthesis
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