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17 June, 08:02

Acar moving south speeds up from 10 m/s to 40 m/s in 15 seconds. What is the car's acceleration?

2 m/s2

15 m/s2

30 m/s2

50 m/s2

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Answers (1)
  1. 17 June, 08:48
    0
    Acceleration=2m/s^2

    Explanation:

    Initial velocity (u) = 10m/s

    Final velocity (v) = 40m/s

    Time (t) = 15seconds

    Acceleration (a) = ?

    Acceleration = (v-u) / t

    Acceleration = (40-10) / 15

    Acceleration=30/15

    Acceleration=2m/s^2
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