A rocket with a lift-off mass $3.5 \times 10^{4} k g$ is blasted upwards with an initial acceleration of $10 m / s^{2}$ . Then the initial thrust of the blast is

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Solution

The correct option is C

Initial thrust on the rocket $F = m (g + a) = 3.5 \times 10^{4} (10 + 10) = 7.0 \times 10^{5} N$

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3.5 \times 10^{4} k g

10 m / s^{2}

3.5 \times 10^{4} k g

10 m s^{- 2}

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