Question

1.
2.
3.
4.
Answer (Detailed Solution Below)

Option 3 : 10,000 N / 10,000 N

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Detailed Solution

सही उत्तर 10,000 N / 10,000 N है।

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Question:

A rocket ejects burnt gases at $2000$ m/s relative to itself at the rate of $5$ kg/s. The thrust on the rocket is / एक रॉकेट जली गैसों को अपने सापेक्ष $2000$ m/s से $5$ kg/s की दर से निष्कासित करता है। रॉकेट पर प्रणोद है

1.
400 N / 400 N
2.
2,005 N / 2,005 N
3.
10,000 N / 10,000 N
4.
40,000 N / 40,000 N

Correct Answer: 10,000 N / 10,000 N

$F = v_{\text{rel}}\dfrac{dm}{dt} = 2000 \times 5 = 10,000$ N. / $F = v_{\text{rel}}\dfrac{dm}{dt} = 2000 \times 5 = 10,000$ N।

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