Question

a space craft flying in a straight course with A velocity of 75km /s fires its rocket motors for 6s. at the end of this time ,its speed is 120km/s in the same direction. find (1) the space crafts average acceleration while the motors were firing (2) the distance travelled by the space craft in the first 10s after the rockets motor started, the motors having being in action for only 6s.

Answer 1

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