Question

please answer this question....



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9th std question paper... my friend wants the answer fast....​

Answer 1

Explanation:

1. The above image shows a rocket . it can be said that there is an application of Newton's third law of motion.Rockets traveling through space encompass all three of Newton's laws of motion. When the engines fire and propel the rocket forward, it is the result of a reaction. The engine burns fuel, which is accelerated toward the rear of the ship. This causes a force in the opposite direction to push the rocket forward
2. convert 100m into cm . there fore, 10000cm / 20

$\frac{dispcement}{time} \\ \frac{10000}{20} \\ = 500cm$it is 500cm/s

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Answer 2

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