A skateboarder starts at 2.75 m/s and accelerates for 8.90 s over a distance of 16.7 m. What is his final velocity? A) 3.44 m/s<

Question

A skateboarder starts at 2.75 m/s and accelerates for 8.90 s over a distance of 16.7 m. What is his final velocity?

A) 3.44 m/s
B) 33.1 m/s
C) 1.00 m/s
D) 4.06 m/s

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Tài Đức 5 years 2021-07-26T15:09:23+00:00 1 Answers 51 views 0

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  1. minhkhoi
    0
    2021-07-26T15:11:07+00:00
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    Explanation:

    x = 16.7 m

    v₀ = 2.75 m/s

    t = 8.90 s

    Find: v

    x = ½ (v + v₀) t

    16.7 m = ½ (v + 2.75 m/s) (8.90 s)

    v = 1.00 m/s

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