Imagine two planets orbiting a star with orbits edge-on to the earth. the peak doppler shift for each is 50 m/s, but one has a period of 10 days and the other has a period of 250 days. calculate the two minimum masses in units of kg and say which, if either, is larger. how do the two masses compare to the mass of the earth?
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More solar radiation is absorbed by earth’s surface than by
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Awheel of mass 48 kg is lifted to a height of 0.8 m. how much gravitational potential energy is added to the wheel? acceleration due to gravity is g = 9.8 m/s2. a. 30.4 j b. 3.1 j c. 297.9 j d. 11,321 j
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Physics, 22.06.2019 16:40
Acapacitor is storing energy of 3 joules with a voltage of 50 volts across its terminals. a second identical capacitor of the same value is storing energy of 1 joule. what is the voltage across the terminals of the second capacitor?
Answers: 3
Imagine two planets orbiting a star with orbits edge-on to the earth. the peak doppler shift for eac...
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