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A sprinter explodes out of the starting block with an acceleration of +3.5 m/s2, which she sustains for 1.0 s. Then, her acceleration drops to zero for the rest of the race.
(a) What is her velocity at t = 1.0 s. m/s
(b) What is her velocity at the end of the race? m/s
Find the distance between the centers of the spheres.
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Compact fluorescent bulbs are much more efficient at producing light than are ordinary incandescent bulbs. They initially cost much more, but last far longer and use much less electricity.
The following takes place with inelastic collision. Ball 1 travels up with a mass of 3 Kg and a velocity of 20 m/s. How high do the balls travel after the collision
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