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MrMuchimi
3 years ago
9

a car starting from test accelerates at a rate of 2m/sec^2. find the average speed in the first ten seconds

Mathematics
1 answer:
SVEN [57.7K]3 years ago
4 0
<h2>Average speed in first ten seconds in 10 m/s</h2>

Step-by-step explanation:

We have equation of motion s = ut + 0.5 at²

        Initial velocity, u = 0 m/s

        Acceleration, a = 2 m/s²  

        Time, t = 10 s      

     Substituting

                      s = ut + 0.5 at²

                      s = 0 x 10 + 0.5 x 2 x 10²

                      s = 100 m

      Distance traveled is 100 m

      Time taken is 10 seconds

We have

      Distance = Time x Average speed

      100 = 10 x Average speed

      Average speed = 10 m/s

Average speed in first ten seconds in 10 m/s

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