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A spacecraft is in empty space. It carries on board a gyroscope with a moment of inertia of Ig = 19.5 kg m2 about the axis of the gyroscope. The moment of inertia of the spacecraft around the same axis is 5.00 105 kg m2. Neither the spacecraft nor the gyroscope is originally rotating. The...
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A small torch bulb is rated at 6.0V and 0.30A How many electrons flow through the bulb in one minute?
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A converging lens (f = 13.0 cm) is held 7.30 cm in front of a newspaper, the print size of which has a height of 1.90 mm. Find (a) the image distance (in cm) and (b) the height (in mm) of the magnified print?
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kkj
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The unlike charges are what
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You do 213 joules of work against gravity when lifting your backpack up a flight of stairs that is 3.3 meters tall. What is the weight of your backpack in newtons?
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what is the magnitude of the electic field due to a 4.0*10-9 c charge at a point 0.020m away?
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you and your bicycle have a total mass of 79.1 kilograms. You accelerate at a rate of 1.79 m/s ^2. Calculate the net force that is accelerating on the object.
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Draw the rays from the tip of the object to the lens.
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The figure shows two metal disks of the same size and material oscillating in and out of a region with a magnetic field. One disk is solid; the other has a series of slots.
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- (a) What is the average angular acceleration of the Earth?
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