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A long wire is known to have a radius greater than 4.0 mm and to carry a current that is uniformly distributed over its cross section. The magnitude of the magnetic field due to that current is 0.30 mT at a point 4.0 mm from the axis of the wire, and 0.20 mT at a point 10 mm from the axis of the wire. What is the radius of the wire?
How to Get a spreadsheet file from the get directory
A 20 cm-long solenoid carrying a current of 8mA is oriented with its axis parallel to earth's magnetic field, how many turns of wire should the solenoid have
A bowling ball of mass 7.1 kg and radius 9.0 cm rolls without slippingdown a lane at 5.2 m/s. Calculate its total kinetic energy
two skaters a man and a woman are standing on ice. neglect any friction between the skate blades and the ice. the mass
A 19-kg chandelier is suspended from the ceiling by four vertical steel wires. Each wire has an unloaded length of 5 m, how far do the wires stretch
q1. from the shape of total energy vs. time plot what can you conclude about the conservation of mechanical energy in
An autographed baseball rolls off a 0.64m high desk and strikes the floor 0.61 m away from the desk. How fast was it rolling on the desk before it fell off? The acceleration of gravity is 9.80 m/s^2.
A trolley that moves along a horizontal beam is acted upon by two forces as shown. (a) Knowing that a 5 25°, determine by trigonometry the magnitude of the force P so that the resultant force exerted on the trolley is vertical. (b) What is the cor..
A child is riding a merry-go-round which completes a revolution every 8.36 s. The child is standing 4.65 m from the center of the merry-go-round. Evalute the magnitude of the centripetal acceleration of the child?
There are two objects. For object 1 the net force is 2 N pointing left on x axis. For object 2 the total force on the object is 0 N. What will their future motions be
How many revolutions does wheel make throughout the time
A man drags a 71.5-kg crate across the floor at a constant velocity by pulling on a strap attached to the bottom of the crate. Find the magnitude of the tension in the strap
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