s1rneymarplayz
Answered

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a boy on a bicycle accelerates by 1.14 m/s^2 . How long does it take him to increase his speed by 8.32 m/s

Sagot :

jcherry99

Answer:

time = 7.30 seconds

Explanation:

Comment

This question makes it hard to solve because there does not seem to be enough information, but actually there is. The formula you use creates what you need.

Givens

vi =  x

vf = x + 8.32

a = 1.14

Formula

a = (vf - vi)/t            

Solution

a = (vf - vi) / t                   Substitute the givens into the formula

1.14 = (x + 8.32 - x) / t     Combine the xs on the right side

1.14 = 8.32 / t                  Multiply both sides by t

1.14*t = 8.32*t/t              Cancel on the right

1.14*t = 8.32                   Divide by 1.14

1.14*t/1.14 = 8.32/1.14

t = 7.30 rounded to 3

places.

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