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A ball rolls horizontally off the edge of a tabletop that is1.80 meter high. It strikes the floor at a point 1.42 meter horizontally away from the table edge. (Ignore air resistance.)
(a) Estimate how long was the ball in the air?
s
(b) Find its speed at the instant it left the table?
m/s
A quantity of steam (550 g) at 123°C is condensed, and the resulting water is frozen into ice at 0°C.How much heat was removed? What is the force in newtons acting on a 3.4 kg package of nails that falls off a roof and is on its way to the ground? A ..
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A charged line extends from y = 2.50 cm to y = -2.50 cm. The total charge distributed uniformly along the line is -8.50 nC. Find the magnitude of the electric field on the x-axis at x = 10.0 cm
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the height of a typical am radio stations tower is one-fourth of the radio wavelength. how high should the tower be for
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