At a given instant, the geocentric equatorial position vector of an earth satellite is r1 ¼ 3600^i þ 4600^j þ 3600^k ðkmþ thirty minutes later, the position is r2 ¼ 5500^i þ 6240^j 5200^k ðkmþ find the specific energy of the orbit.

Urgent i will give brainliest farmer dantzler brings her prize pig, penny, to the annual country fair. if the mass of the pig is 140 kg, what is the weight? (what are you solving for? what is your formula? what unit do you use to represent weight? you can do it! ) your a.14 g b.140 n c. 1400 kg d. 1372 n show me how to work it too