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2 January, 04:09

What constant acceleration is needed to accelerate a baseball from 6 feet/sec to 116 feet/sec in 2 seconds?

a. 27.5 feet/sec

b. 29 feet / sec

c. 58 feet / sec2

d. 55 feet / sec2

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  1. 2 January, 04:18
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    d. 55 feet / sec^2

    Step-by-step explanation:

    Average acceleration is ...

    a = ∆v/∆t = (116 ft/s - 6 ft/s) / (2 s)

    = 110/2 ft/s^2 = 55 ft/s^2
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