Physics, 18.11.2019 23:31 jdjdjdjdjjffi7273
Many spacecraft have visited mars over the years. mars is smaller than the earth and has correspondingly weaker surface gravity. on mars, the free-fall acceleration is only 3.8 m/ s 2 . part a what is the orbital period of a spacecraft in a low orbit near the surface of mars? the radius of mars is 3.4× 10 6 m .
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Physics, 22.06.2019 16:30
A14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.
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What is an electric motor? explain its operation. 2-3 sentence
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The electric field inside a cell membrane is 8.0mn/c. what's the force on a singly charged ion in this field?
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Many spacecraft have visited mars over the years. mars is smaller than the earth and has correspondi...
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