#5. A sprinter running at a speed of 12 m/s is approaching the finish line and, in a final burst of willpower, she forces herself to accelerate over the last 3.50 meters of the race. If this period of acceleration lasted for a time interval of 0.20 second, what was the sprinter’s speed as she crossed the finish line?
#6. An object with initial velocity of 5 m/s has a constant acceleration of 2 m/s2. When its speed is 15 m/s, how far has it traveled?
#7. An automobile traveling at a speed of 30 m/s accelerates uniformly to a speed of 60 m/s in 10 s.
a.Acceleration of the car?
b.Distance does the car travel during the 10 second time period?
2007-01-26
18:00:45
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2 answers
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asked by
Anonymous
in
Science & Mathematics
➔ Physics