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Problem: A force of 380 N pushes a 52 kg object. The coefficient of kinetic friction is 0.4.
Part A: Find the acceleration of the box if the force makes an angle of 70 degrees from the vertical (the force is pushing down on the box).
I want help to find the acceleration of the box if the force makes an angle of 70 degrees from the vertical.
a 12,000 volt line produces 100,000 watts with a current of8.3 amps. If the voltage were only 240 volts, what would be the power expended as heat
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you are outside tossing a football with your friends. you throw the football at an angle of 52.3deg above the
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A 41.0-kg child swings in a swing supported by two chains, each 3.08 m long. The tension in each chain at the lowest point is 346 N. Find the force exerted by the seat on the child at the lowest point. (Ignore the mass of the seat.)
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Presume 8.00 g of hydrogen is separated into protons and electrons. Presume also the protons are placed at the earth's North Pole and the electrons are placed at the South Pole. What is the resulting compression force on the Earth?
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