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Mathematics, 06.07.2019 10:40, queengenni
With number 11 plz? and tysm to the people who do me cause i have been asking for hours for
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Aspacecraft can attain a stable orbit 300 kilometers above earth if it reaches a velocity of 7.7 kilometers per second. the formula for a rocket's maximum velocity v in kilometers per second is vequalsminus0.0098tplusc ln upper r, where t is the firing time in seconds, c is the velocity of the exhaust in kilometers per second, and r is the ratio of the mass of the rocket filled with fuel to the mass of the rocket without fuel. find the velocity of a spacecraft whose booster rocket has a mass ratio of 20, an exhaust velocity of 2.1 km/s, and a firing time of 15 s. can the spacecraft achieve a stable orbit 300 km above earth?
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Ratio of circumference to diameter example plz i need to now what it looks like.
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With number 11 plz? and tysm to the people who do me cause i have been asking for hours for...
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