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15 July, 18:13

A car traveling at 10 m/s speeds up to 20 m/s in 3 seconds. determine the acceleration of the car

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Answers (2)
  1. 15 July, 18:17
    0
    Answer: 3.33m/s²

    Explanation:

    Acceleration = rate of change in velocity with time

    Acceleration = change in velocity / time

    Initial velocity (u) = 10 m/s

    Final velocity (v) = 20m/s

    time (t) = 3s

    a = V - U / t

    a = (20 - 10) / 3

    a = 10 / 3 = 3.33m/s²
  2. 15 July, 18:28
    0
    66m/s

    Explanation:

    because 10 meters/per second is going to be 22 mph/35 km, and 20m/s is 44 mph/70 km and in 3 seconds it would boost its mph/km (m/s) to 66 only because from 22 mph to 44 mph is 22 but 44/22 = 22, however you have top multiply that by 3 seconds which will coem out to 66 m/s, mph, km.
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