Which statement is a characteristic of a concave lens?

a. it bends light rays outward.
b. it is made of opaque material
c. it reflects most light.
d. it is thickest in the middle.

If the force applied to an object remains constant, is more power needed for the object to move faster ? explain

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.

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell