Physics

Physics, 29.08.2019 19:00, kelleemaebarnha

Given that the period of the moon’s orbit about the earth is 27.32 days and the nearly constant distance between the center of the earth and the center of the moon is 3.84 3 108 m, use equation 13.11 to calculate the mass of the earth. (b) why is the value you calculate a bit too large?

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Physics, 17.07.2019 03:20, lisacarter0804

Imagine for a minute that the moon is held in its orbit about the earth by electrical forces rather than by gravitation. what electrical charges −q on the earth and +q on the moon are necessary to hold the moon in a circular orbit with a period of 27.3 days? the earth-moon distance is 384 000 km and the mass of the moon is 7.35 × 1022 kg.

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Geography, 10.10.2019 19:00, dooderh

Dquestion 2 5 pts why does the moon's orbital period (27.3 days) differ from its phase period (29.5 days)? o earth o the mo rotates on its axis every 24 hours, so the moon is constantly falling behind earth's rotation on's orbit is elliptical, so the moon takes longer to complete its phase period than it would in a circular orbit. o in the time it takes the moon to complete one orbit of earth, earth has moved in its orbit around the sun o the sun's gravity slows the moon down when the moon comes between earth and the sun. 4 previous next »

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Physics, 23.10.2019 15:50, joselynrobles

Acommon, though incorrect, statement is, "the moon orbits the earth." that creates an image of the moon? s orbit that looks like that shown in the figure. (figure 1) the earth's gravity pulls on the moon, causing it to orbit. however, by newton? s third law, it is known that the moon exerts a force back on the earth. therefore, the earth should move in response to the moon. thus a more accurate statement is, "the moon and the earth both orbit the center of mass of the earth-moon system." in this problem, you will calculate the location of the center of mass for the earth-moon system, and then you will calculate the center of mass of the earth-moon-sun system. the mass of the moon is 7.35? 1022kg , the mass of the earth is 6.00? 1024kg , and the mass of the sun is 2.00? 1030kg . the distance between the moon and the earth is 3.80? 105km . the distance between the earth and the sun is 1.50? 108km . part a calculate the location x_cm of the center of mass of the earth-moon system. use a coordinate system in which the center of the earth is at x=0 and the moon is located in the positive x direction.

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