A rocket with a life-off mass 3.5xx10^(4...

A rocket with a life-off mass `3.5xx10^(4)` kg is blasted upwards with an initial acceleration of `10" m"//"s"^(2)`. Then the initial thrust of the blast is

`1.75 xx 10^5 N`

`3.5 xx 10^5 N`

`7.0 xx 10^5 N`

`14.0 xx 10^5 N`

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