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How long would it take a car to accelerate from 15 MPH to 75 MPH if its acceleration is 20 MPH?
Wiki User
∙ 12y ago
The formula for finding time based on acceleration and speed is:
(Delta)t = (Delta)v/a
Change in time = change in speed / acceleration
t = 75-15 / 20
t = 60 / 20
t = 3 seconds
Wiki User
∙ 12y ago
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2 secs
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Acceleration = Change in speed/Time Time = Change in Speed/Acceleration = 65mph/20mph per s = 65/20 seconds = 3.25 seconds
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