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a 12kg box is released from the top of an incline that is 5mlong and makes an angle of 40degrees to the horizontal. a 60Nforce impedes the motion of the box.
a) what will be the acceleration of the box.
b) how long will it take to reach the bottom.
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A circular coil enclosing an area of 200 cm2 is made of 210 turns of copper wire. The wire making up the coil has resistance of 3.0 ?, what is the average current in the coil during that time
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