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21 October, 21:53

8.0kg rocket fired horizontally encounters a force of air resistance of 4.9 N. The force supplied by the rocket's engine is 60.9N. What is the net force accelerating the rocket?

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  1. 21 October, 22:20
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    60.9 - 4.9 = 56

    56 is the net force

    using the formula F = ma

    56 = 8a

    a = 7

    acceleration is 7ms^-2
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