Q1) A rocket has initial mass of 25x105 kg of which 80 percent is the fuel and the rest is payload. If burns fuel at a r
Posted: Mon May 02, 2022 5:21 pm
- Q1 A Rocket Has Initial Mass Of 25x105 Kg Of Which 80 Percent Is The Fuel And The Rest Is Payload If Burns Fuel At A R 1 (114.51 KiB) Viewed 29 times
Q1) A rocket has initial mass of 25x105 kg of which 80 percent is the fuel and the rest is payload. If burns fuel at a rate of 400 kg/s and exhaust its gas at a relative speed of 2.5 km/s : a) Find the thrust of the rocket. b) After firing for 150 seconds i- find the mass of the rocket, and ii- find its speed assuming it moves upward near the surface of the earth (neglect the earth's rotation). Or 1. Y- 2.5 km/s