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Posted by on Tuesday, July 16, 2013 at 10:34am.

A train initially travelling at 30ms^1 decelerates at 4ms^2.
(a) What time will it take to slow to 5m s^1?
(b) What distance will it have travelled when it has slowed to 5ms^1?

  • Physics - , Tuesday, July 16, 2013 at 1:47pm

    v =v₀-at
    t=( v₀-v)/a =
    s= v₀t - at²/2 =…

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