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, 60, 000 N

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1600 N

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16 N

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Solution

The correct option is C $1, 60, 000 N$
Given,
$\frac{m}{t} = 2 k g / s$
$v = 80 k m / s = 80, 000 m / s$
Force exerted on the rocket,
$F = \frac{m v}{t} = \frac{m}{t} v$
$F = 2 \times 80, 000 = 160, 000 N$
The correct option is B.

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

The correct option is C 1,60,000 NGiven,mt=2kg/sv=80km/s=80,000m/sForce exerted on the rocket,F=mvt=mtvF=2×80,000=160,000NThe correct option is B.

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 C $1, 60, 000 N$
Given,
$\frac{m}{t} = 2 k g / s$
$v = 80 k m / s = 80, 000 m / s$
Force exerted on the rocket,
$F = \frac{m v}{t} = \frac{m}{t} v$
$F = 2 \times 80, 000 = 160, 000 N$
The correct option is B.