A car moving with constant acceleration covers the distance between two points 180 m apart in 6 sec. Its speed as it passes the second

Question

A car moving with constant acceleration covers the distance between two points 180 m apart in
6 sec. Its speed as it passes the second point is 45 m/s. What is its acceleration and its speed at the
first point.
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Xavia 6 months 2021-07-15T09:19:07+00:00 1 Answers 31 views 0

Answers ( )

  1. Ladonna
    -1
    2021-07-15T09:20:08+00:00
    Reply

    distance = 180m

    time = 6 secs

    velocity = 45m/s

    s= ut+ 1/2at²

    2s=2ut+at²

    2s-2ut= at²

    2(180)-2(25)(6) =a(6)²

    60=36a

    1.66666 m/s² = a

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