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A hand grenade of total mass 5 kilogram explodes into two pieces. One, of 4 kilogram flies off at 10 meter per second. Determine how fast does the other one move?
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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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