Physics, 25.06.2019 04:00 SLEEPSRIZK69
Wonder woman is attempting to launch the joker into deep space, where he will never be able to hurt anyone again. the probe and the joker have a total mass of 450 kg, and the rocket has an exhaust velocity of 4250 m/s. a) how fast does the rocket need to go to reach escape velocity? (hint: earth has a mass of 
kg and a radius of 
m). b) find the mass of fuel needed for the rocket. c) find the mass expulsion rate of the rocket so that we can be rid of the joker forever.
Answers: 3
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