Physics, 16.12.2021 14:00 kenziedil2637
A rocket has a mass of 600 kg. a What is its weight on Earth where g = 10 N/kg? b At lift-off the rocket engine exerts an upward force of 26 000 N. What is the resultant force on the rocket? What is its initial acceleration?
Answers: 3
Physics, 21.06.2019 15:00
What is the frequency of a light wave with a wavelength of 620nm
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Electric field of the earth. the earth has a net electric charge that causes a field at points near its surface equal to 150 n> c and directed in toward the center of the earth. (a) what magnitude and sign of charge would a 60-kg human have to acquire to overcome his or her weight by the force exerted by the earth’s electric field? (b) what would be the force of repulsion between two people each with the charge calculated in part (a) and separated by a distance of 100 m? is use of the earth’s electric field a feasible means of flight? why or why not?
Answers: 2
A rocket has a mass of 600 kg. a What is its weight on Earth where g = 10 N/kg? b At lift-off the ro...
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