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A rocket with a lift off mass 20000 kg i...

A rocket with a lift off mass 20000 kg is blasted upwards with a net initial acceleration of `5 ms^(-2)` Calculate the initial thrust (force) of the blast.

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`F = 20.000 xx 10 = 20000 xx 5.0 , i.e., F = 3.0 xx 10^5 N`
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