Physics, 04.11.2020 04:00 710jonathan
A 7000 kg helicopter accelerates upward at 3m/s^2. What lift force is exerted by the air on the helicopters propellers?
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Which notation is used to represent an alpha particle? a. b. c. d.
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Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy
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Most short-period comets do not have randomly oriented orbits because
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According to the image below, which season is about to begin in the southern hemisphere? a. summer b. autumn c. winter d. spring
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A 7000 kg helicopter accelerates upward at 3m/s^2. What lift force is exerted by the air on the heli...
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