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The world's first military rocket, constructed by General A. D. Zasyad'ko* weighed about 2 kg-wt (without the propelling charge). During the explosion of the propelling charge, 200 g of gas is ejected from the rocket at a velocity of 600 m/sec. At what distance from the point of firing will such a rocket land if it is fired at an angle of 45° to the horizontal? Neglect the air resistance. 

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Answer:

Explanation:

The initial velocity of the rocket is determined from the law of conservation of momentum and is given by 

v0 = mu/M, 

where m is the mass of the gas and M is the mass of the rocket. 

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