Which is greater, the gravitational force between earth and the moon, or the force between earth and the sun?

The graph below represents the work done by a student while running up flights of stairs. determine the student's power output after 10 seconds: 1600 j/s 8000 j/s 160 j/s 800 j/s

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving

What is the orbital period of a spacecraft in a low orbit near the surface of mars? the radius of mars is 3.4×106m.