What part(s) of a reflecting telescope form the image?
a concave lens
a convex lens
a convex mirror and a concave mirror
a concave mirror and an angled plane mirror

In order to do work, the force vector must be question 1 options: in a different direction than the acceleration vector. in a different direction than the displacement vector. in the same direction as the displacement vector and the motion. in the same direction as the acceleration vector.