Question

what conditions must be met if a man made satellite is to attain a circular orbit around the earth ? (choose as many as apply) (A) it must be launched with with a tangential speed of 0 (B) it must be launched with a tangential speed of 8 km/s (C) it must be launched with a tangential speed greater than 8 km/s (D) it must be launched horizontally at a distance over 150 kilometers above the earth (E) it must be launched vertically with a speed of 8 km/s
i said d and a