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A sprinter explodes out of the starting block with an acceleration of +2.79 m/s2 , which she sustains for 1.65 s. Then her acce...Asked by Alex
A sprinter explodes out of the starting block with an acceleration of + 2.02 m/s2, which she sustains for 1.12 s. Then, her acceleration drops to zero for the rest of the race. What is her velocity at (a)t = 1.12 s and (b) at the end of the race?
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Answered by
drwls
Constant velocity attained = 2.02*1.12 = 2.26 m/s
That will be her velocity at the end of the race also.
That is a very slow speed for a sprinter. Champions run about four times faster
That will be her velocity at the end of the race also.
That is a very slow speed for a sprinter. Champions run about four times faster
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