Computing magnetic force on wire
Compute magnetic force on a 180 m length of wire stretched among the two towers and carrying a 280A current. The magnetic field of earth is 5.00 x 10^-5T makes an angle of 60 degrees with the wire.
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Determine the velocity of a 6.5 g ball shot vertically upward from the spring gun with the force constant of 670 N/m, compressed 5.00 cm?
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