Physics, 20.02.2020 20:28, marenh04938
The first couple of minutes of the launch of a space shuttle can be described very roughly as follows: The initial mass is
2×106kg
, the final mass (after 2 minutes) is about
1×106kg
, the average exhaust speed
vex
is about 3000 m/s, and the initial velocity is, of course, zero. If all this were taking place in outer space, with negligible gravity, what would be the shuttle's speed at the end of this stage? What is the thrust during the same period and how does it compare with the initial total weight of the shuttle (on earth)?
Answers: 2
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In 1980, alfa romeo introduced the first system to smooth a rough idle caused by ignition and camshaft timing changes.
Answers: 1
Physics, 22.06.2019 00:10, SKYBLUE1015
The summit of chimborazo, in ecuador, which is at a distance of about 6,384 km from the earth’s center. the bottom of the mariana trench, in the western pacific ocean, which is nearly 6,370 km from the center of the earth. on the surface of earth on the equator line.
Answers: 2
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Six pendulums of mass mand length las shown are released from rest at the same angle theta from vertical. rank the pendulums according to the numberof complete cycles of motion each pendulum goes through perminute. a. l= 1m m=2kg b. l= 4m m=1 kg c. l= 2 m m= 2 kg d. l= 1 m m= 4 kg e. l= 2 m m = 4 kg f. l= 4m m = 4kg
Answers: 3
The first couple of minutes of the launch of a space shuttle can be described very roughly as follow...
Mathematics, 23.03.2021 03:40
Mathematics, 23.03.2021 03:40