In a rocket, fuel burns at the rate of $2 k g / s$ . This fuel gets ejected from the rocket with a velocity of $80 k m / s$ . Force exerted on the rocket is

16, 000 N

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1.6 * 10^{5} N

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1600 N

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16 N

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Solution

The correct option is B $1.6 * 10^{5} N$
Force= velocity of exhaust $\times \frac{d m}{d t}$
$∴ F = 80 \times 10^{3} \times 2 = 1.6 \times 10^{5} N$

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In a rocket, fuel burns at the rate of 2kg/s. This fuel gets ejected from the rocket with a velocity of 80km/s. Force exerted on the rocket is

The correct option is B 1.6∗105NForce= velocity of exhaust ×dmdt∴F=80×103×2=1.6×105N

In a rocket, fuel burns at the rate of $2 k g / s$ . This fuel gets ejected from the rocket with a velocity of $80 k m / s$ . Force exerted on the rocket is

The correct option is B $1.6 * 10^{5} N$
Force= velocity of exhaust $\times \frac{d m}{d t}$
$∴ F = 80 \times 10^{3} \times 2 = 1.6 \times 10^{5} N$