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23 September, 07:09

What is a chicken's rate of acceleration that speeds up from 4 mph (mi/h) to a top speed of 9 mi/h in 0.5 hr?

2.5 mi/h/s

-2.5 mi/h/s

2.5 mi/h2

10 mi/h2

+1
Answers (1)
  1. 23 September, 07:29
    0
    We can use the formula:

    acceleration = change in velocity / time

    a = (9 - 4) / 0.5

    a = 10 mi/h²

    Now, we will also check the units. In the numerator was mi/h and the denominator was h so the units become mi/h².
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