Apollo 11 had a mass of 28,801 kg at liftoff. Assuming that fuel was expelled at a constant rateof 3200 kg/s at an expulsion velocity of 1000 m/s, how much time was required for it to leavethe stratosphere (altitude = 50 km)? You may assume the mass remains constant and neglectaltitude-dependence of the gravitational force.
Apollo 11 had a mass of 28,801 kg at liftoff. Assuming that fuel was expelled at a constant rateof 3200 kg/s at an expulsion velocity of 1000 m/s, how much time was required for it to leavethe stratosphere (altitude = 50 km)? You may assume the mass remains constant and neglectaltitude-dependence of the gravitational force.
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Apollo 11 had a mass of 28,801 kg at liftoff. Assuming that fuel was expelled at a constant rate
of 3200 kg/s at an expulsion velocity of 1000 m/s, how much time was required for it to leave
the stratosphere (altitude = 50 km)? You may assume the mass remains constant and neglect
altitude-dependence of the gravitational force.
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