An image formed by a lens is erect. Such an image could be formed by a(1mark) (a) convex lens provided the image is smaller than the object.
(b) concave lens provided the image is smaller than the object.
(c) concave lens provided the image is larger than the object.
(d) concave lens provided the image is of the same size.

This is what i found on google “kinetic energy. energy is transferred from one object to another when a reaction takes place. energy comes in many forms and can be transferred from one object to another as heat, light, or motion, to name a few. this energy would be in the form of motion, with the person lifting the blue ball to a higher level.” i hope this you

Distance^2= yellow line ^2 (see picture) = 30^2 + 49^2so distance = squareroot of (300^2 +49^2)i dont know if this is how to solve it, but i cnt think of another way