Physics, 30.03.2020 20:30 nolangriffin
Calculate how much work is required to launch a spacecraft of mass mm from the surface of the earth (mass mEmE, radius RERE) and place it in a circular low earth orbit--that is, an orbit whose altitude above the earth's surface is much less than RERE. (As an example, the International Space Station is in low earth orbit at an altitude of about 400 kmkm, much less than RERE
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Physics, 21.06.2019 23:30
After a big snowfall, you take your favorite rocket-powered sled out to a wide field. the field is 195 m across, and you know that your sled accelerates at a rate of 3.65 m/s2 when the rocket is on. how much time will it take the sled to cross the field starting from rest, assuming the rocket is on the whole time?
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In automobile steering wheel is shown what is the ideal mechanical advantage blank? if the ama is eight what is the efficiency of the steering wheel?
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Physics, 22.06.2019 16:00
The amount of potential energy possessed by an elevated object is equal to what?
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Calculate how much work is required to launch a spacecraft of mass mm from the surface of the earth...
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