6. What is fuel needed for in space?
7. Could a rocket traveling at a speed of
10,000 km/h ge...
Physics, 15.11.2020 09:20 airiyannag0113
6. What is fuel needed for in space?
7. Could a rocket traveling at a speed of
10,000 km/h get into space? Explain.
8. Why is thrust also known as the
reaction force?
9. Why does a rocket not need to burn
fuel to keep moving once it is in space?
Answers: 2
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Many machines- including inclined planes such as ramps- increase the strength of the force put into the machine but decrease the distance over which the force is applied.
Answers: 2
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15. give an example for some particles or waves that are moving faster than light in everyday life 16. what is a laser? 17. what is an oscilloscope? 18. what does it means practically that nothing is faster than light in vacuum? 19. what is vacuum?
Answers: 2
Physics, 22.06.2019 16:50
Abird flies directly overhead from where you stand at an altitude of 300.0 m and at a speed horizontal to the ground of 20.0 m/s. the bird has a mass of 2.0 kg. the radius vector to the bird makes an angle \thetaΞΈ with respect to the ground. the radius vector to the bird and its momentum vector lie in the xyxy-plane. what is the birdβs angular momentum about the point where you are standing?
Answers: 2
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