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Grade: 10

                        

A 5860-kg rocket is set for vertical firing. The exhaust speed is 1.17 km/s. How much gas must be ejected each second to supply the thrust needed (a) to overcome the weight of the rocket and (b) to give the rocket an initial upward acceleration of 18.3 m/s 2 ? Note that, in contrast to the situation described in Sample Problem 7-9, gravity is present here as an external force.

5 years ago

Answers : (3)

Jitender Pal
askIITians Faculty
365 Points
							235-825_1.PNG
235-1850_1.PNG
5 years ago
Swadesh
14 Points
							Galat ans kdzjhzjsjxjsusπŸ“πŸ‹πŸπŸŒπŸπŸ“πŸ‹πŸπŸ‹πŸπŸ“πŸŒΆπŸŒusjxjgzkgxkshzkdishπŸ“πŸ‘πŸπŸ’πŸ†πŸ“πŸ“πŸ…πŸŒΆπŸ“πŸŒ½πŸ“πŸ„πŸ“πŸŒ½πŸ“πŸŒΆπŸ’πŸŒ½πŸ“πŸπŸ’πŸŒ½πŸ…πŸ’πŸ‘πŸŒ½πŸ‘πŸ“πŸŒ½πŸŒπŸπŸŒπŸŠπŸŒ½πŸ“πŸŒΆπŸ“πŸ‘πŸŒ½πŸŒπŸŒπŸ’πŸŒΆπŸŒπŸ‘πŸπŸŒπŸ’πŸπŸ‹πŸ‘πŸŒ½πŸŒπŸŒΆπŸŒπŸ‘πŸŒ½πŸŒπŸŒπŸπŸŒπŸ‘πŸŒ½πŸ“πŸ‘πŸŒ½πŸ“πŸ‘πŸŒ½πŸŒπŸ‘πŸπŸŒπŸ‘πŸπŸŒπŸ’πŸπŸŒπŸŒ½πŸŒπŸ‘πŸŒ½πŸŒπŸ‘πŸŒ½πŸ“πŸπŸ€
						
3 years ago
Mayank pandey
26 Points
							😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁wrong answer
						
2 years ago
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