dsaads
The formula can be used to find out how many feet it will take a car to stop at different speeds. Variable d is the stopping distance in feet and s is the speed in miles per hour. How many feet would it take to stop a car with a speed of 50 mph?
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2.5
4
67.5
125
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dsaads
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|dw:1353372477083:dw|
dsaads
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67.5 @saifoo.khan final answer
dsaads
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@skullpatrol confirm for me
saifoo.khan
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\[\Large d = \frac{1}{20s^2}\] Is this the formula?
dsaads
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@saifoo.khan YEs
dsaads
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and got 67.5 @saifoo.khan
saifoo.khan
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Wait. It must be:
\[\Large d = \frac{s^2}{50}\]
saifoo.khan
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Replace s with "50"
dsaads
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okay
dsaads
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Than the answer would be 4?
saifoo.khan
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Yep.
dsaads
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So 125 @saifoo.khan
saifoo.khan
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Yep.