Posted by **Rachel** on Thursday, January 31, 2013 at 12:51am.

If a car goes from 0 to 100 mph in six seconds with constant acceleration, what is that acceleration?

- calculus 2 -
**Reiny**, Thursday, January 31, 2013 at 8:32am
let the acceleration be a

then

v = at + c

when t=0, v=0 , so c = 0

v = at

when t=6 , v = 100

100 = 6a

a = 100/6 = 50/3

the acceleration is (50/3 mph) / sec

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