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In a rocket, fuel burns at the rate of 2kg/s. This fuel gets ejected from the rocket with a relative velocity of 80km/s. Net force exerted on the rocket (just about to take off from ground) of mass 2000 kg is:-(1) 16,000 N, (2) 1,60,000 N, (3) 1,80,000 N, (4) 1,40,000N. |
| Answer» In a rocket, fuel burns at the rate of 2kg/s. This fuel gets ejected from the rocket with a relative velocity of 80km/s. Net force exerted on the rocket (just about to take off from ground) of mass 2000 kg is:-(1) 16,000 N, (2) 1,60,000 N, (3) 1,80,000 N, (4) 1,40,000N. | |