Physics, 06.05.2020 04:34 shaniqwakirkseyniqwa
A girl launches a toy rocket from the ground. The engine experiences an average thrust of 5.26 N. The mass of the engine plus fuel before liftoff is 25.0 g, which includes fuel mass of 12.7 g. The engine fires for a total of 1.90 s. (Assume all the fuel is consumed.) (a) Calculate the average exhaust speed of the engine (in m/s). (b) This engine is situated in a rocket case of mass 63.0 g. What is the magnitude of the final velocity of the rocket (in m/s) if it were to be fired from rest in outer space with the same amount of fuel
Answers: 2
Physics, 22.06.2019 02:40, SMURFETTE86
15. one purpose of the tread pattern on a tire is to a reduce tire wear. b. reduce traction c. allow water to flow away from the tire. d. look impressive.
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Physics, 22.06.2019 14:40, allenpaietonp9v8sv
What is the orbital period of a spacecraft in a low orbit near the surface of mars? the radius of mars is 3.4×106m.
Answers: 2
A girl launches a toy rocket from the ground. The engine experiences an average thrust of 5.26 N. Th...
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