A sprinterexplodes out of the starting block with an
A sprinterexplodes out of the starting block with an acceleration of+2.14 m/s2 , which she sustains for 1.26 s.Then her acceleration drops to zero for the rest of the race. What is her velocity at t = 1.26 s and at the end of the race?
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finely divided sulfur ignites spontaneously in fluorine gas to produce sulfur hexafluoride as in the following
a pendulum consists of a 20 kg stone swinging on a 40 mstring of negligible mass the stone has a speed of 80 ms when
a sprinterexplodes out of the starting block with an acceleration of214 ms2 which she sustains for 126 sthen her
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an 18-year-old runner can complete a 100-km course with an average speed of 449 ms a 50-year-old runner can cover the
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