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(1) A very long wire generates a magnetic field of 0.0050*10^-4T at a distance of 0.003m. What is the magnitude of the current?
(2) A solenoid 0.03m long consists of 8942 loops of wire. If the magnetic field inside the solenoid is 1.0 T, what is the magnitude of the current that flows through it?
a person rides on a 12-m-diameter ferris wheel that rotates at the constant rate of 6.6 rpm. calculate the magnitude
A race car starts from rest on the circular track of radius 455m. The car's speed increases at the constant rate of 0.480m/s2. At the point where magnitudes of the centripetal and tangential accelerations are equal.
protons are projected with an initial velocity v0 = 10410m/s into a region where a uniform electric field E = 710 N/C is present. The protons are to hit the target that lies a horizontal distance of 1.27mm from the point where protons are launched..
your friend has been given a laser for her birthday. unfortunately she did not receive a manual with it and so she
Dennis, driving his 600 kg car, makes a 90 degree turn. His speed before the turn is 15.0 m/s and after the turn are 20 m/s. What is the magnitude of the change in car's momentum.
In 1987, Marisa Canofoglia, of Italy, roller-skated at a record -setting speed of 40.3 km/h. If the her momentum was 660 kg×m/s, what was her mass
How much work is done if the same tension is directed parallel to the snow.
A quarterback throws a pass that is a perfect spiral. In otherwords, the football does not wobble, but spins smoothly about anaxis passing through each end of the ball. how many revolutions has the ball made while in the air
You are walking around your neighborhood and you see a child on top of a roof of a building kick a soccer ball. How tall is the building that the child is standing on
Suppose a charge of -1.60 µC is at the origin and a charge of 3.30 µC is at the point (0, 3.00) m. Find the electric potential at (4.00, 0) m, assuming the electric potential is zero at infinity. V = 3 . V What is electric potential?
During an adiabatic process, the temperature of 3.62mol of a monatomic ideal gas drops from 460C to 215C a) Find the work done by the gas. b)Find the heat the gas exchanges with its surroundings. c)Find the change in its internal energy.
A diving board length = 5.40 that weighs 230 is supported by two pillars. One pillar is at the left end of diving board; the other is distance = 1.60 away. Determine the magnitude of the force exerted by the left pillar while a 90.0 diver stands a..
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