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One object is thrown up at a velocity of 9.2 m/s from a certain height. 0.9 seconds later a second object is thrown up at 16 m/s from the same height. What is the velocity of the second object in m/s at the instant it collides with the first object?
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A body moving with uniform acceleration has a velocity of 18.9 cm/s when its x coordinate is 1.88 cm. If its x coordinate 2.68 s later is -5.03 cm, what is the x-component of its acceleration? Answer in units of cm/s2.
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