1.

A rocket with a lift-off mass 3.5 x 104 kg is blastedupwards with an intial acceleration of 10 m/s2. Thenthe initial thrust of the blast is:(A) 3.5 x 105 N(C) 14.0 x 105 N(B) 7.0 x 105 N(D) 1.75 x 105 N

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