Physics, 21.02.2020 18:01 mkidgellmas1284
A star exerts a gravitational force of magnitude 3 x 10^24 N on a planet. If the mass of the planet were five times as large, what would the magnitude of the gravitational force on the planet be?
Answers: 1
Physics, 22.06.2019 16:30
In a classical model of the hydrogen atom, the electron moves around the proton in a circular orbit of radius 0.053 nm. what is the electron's orbital frequency? what is the effective current of the electron?
Answers: 3
Physics, 22.06.2019 16:40
Beryl states that insulation with the smallest possible thermal conductivity is best to keep a house warm in winter, but worst for keeping a house cool in summer. sapphire insists the reverse is true: low thermal conductivity is good in the summer, but bad in the winter. which one, if either is correct? a. beryl, because low thermal conductivity results in low heat transfer. b. beryl, because low thermal conductivity results in high heat transfer. d. sapphire, because low thermal conductivity results in high heat transfer. e. neither, because low heat transfer is desirable both in summer and in winter.
Answers: 2
A star exerts a gravitational force of magnitude 3 x 10^24 N on a planet. If the mass of the planet...
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