Question

टेल मी एक्सरसाइज 2.1 ऑफ सिक्स्थ क्लास ​

Answer 1

Answer:

Problem - 5.35: The first & second stage of two stage rocket separately weigh 100 kg and 10 kg and contain 800kg and 90kg fuel respectively. If the exhaust veloc- ity of gases is 2 km/sec then find velocity of rocket (nearly) (log, ,5=0.6990) (neglect gravity)