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It is the force that the field would exert on any unit magnetic pole placed in the field. It is also known as magnetic force.
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Question: A solenoidal coil with 25 turns of wire is wound tightly around another coil with 320 turns. The inner solenoid is 23.0cm long and has a diameter of 2.00cm . At a certain time, the current in the inner solenoid ...
Question: The passengers in a roller coaster car feel 50% heavier than their true weight as the car goes through a dip with a 30 m radius of curvature. What is the car's speed at the bottom of the dip? The response must ...
Question: A solenoid 22.0 cm longand with a cross-sectional area of 0.500cm2 contains 415turns of wire and carries a current of 85.0 A. (a) Calculate the magnetic field in the solenoid. (b) Calculate the energy density i ...
Question: A softball pitcher throws an underhanded pitch with the arm fully extended (straight at the elbow). The ball leaves the pitcher's hand with a speed of 25 m/s. Assume that the pitching motion originates with the ...
Quesiton: You are testing a new amusement park roller coaster with an empty car with a mass of 108kg. One part of the track is a vertical loop with a radius of 12.0m. At the bottom of the loop (pointA) the car has a spee ...
Question: A real image is four times as far from a lens as is theobject. What is the object distance, measured in focal lengths? ____from the lens The response must be typed, single spaced, must be in times new roman fon ...
Question: A particle of charge 5.05nC is placed at the origin of an xy-coordinate system, and a second particle of charge -2.04nC is placed on the positive x-axis at x= 4.04cm . A third particle, of charge 6.00nC is now ...
Please help with this problems: Suppose you walk 16m straight west and then 22.5m straight north. How far are you in meters from your starting point (numeric value only, no expression)? What is the compass direction, in ...
A projectile is launched at an angle of 13.0° above the horizontal. What is its initial speed if it hits a target that is located a horizontal distance of 155 m from the launch point and 10.5 m below the launch level?
Question: A small particle has charge -2.00 uC and mass 1.50Ã-10-4 kg. It moves from point A, where the electric potential is V(A) = 200 V, to point B, where the electric potential V(B) = 920 V is greater than the potent ...
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