Which of the following statements regarding orbits is true? A. The central body is located at one focus of the ellipse describing the orbit.
B. In an orbit, the satellite and the central body are the two foci of the ellipse.
C. The Sun and a planet are the two foci of the orbit.
D. In an elliptical orbit, there is one focus and the satellite is located there.

A

Explanation:

this is Keplers second law, "all ellipses are elipticle with the center of gravitation at one". focii (a line in the middle of a ellips)

the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

-reverse card

this could be newton#'s law of cooling. the cooling curve is exponential