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Mathematics, 26.01.2021 02:40 park7497
Susan recorded an outside temperature of -7°C at 9:00 am. She recorded the
outside temperature again at 4:00p. m. when the temperature reading showed the
opposite value. Which was Susan's temperature reading at 4:00 pm?
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Answers: 3
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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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Susan recorded an outside temperature of -7°C at 9:00 am. She recorded the
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