SOLUTION: A car, from a full stop excellerates a distance of 63 ft and achieves a speed of 17 miles an hour. What was the rate of acceleration?

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Question 1011443: A car, from a full stop excellerates a distance of 63 ft and achieves a speed of 17 miles an hour. What was the rate of acceleration?

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
duplicate
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I just did this one, but I don't see it.
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17 mi/hr = 17*(22/15) ft/sec =~ 25 ft/sec
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Assuming uniform acceleration:
The average speed is 1/2 the terminal speed. v = 12.5 ft/sec
t = d/v = 63/12.5 =~ 5.04 seconds
a = v/t = 25/5.04
a = 4.96 ft/sec/sec