Which one of the following equations encompasses boyle's law, charles's law, and the relationship between pressure and temperature when the volume is constant? a. p = f/a b. p1v1 = p2v2 c. v1/t1 = v2/t2 d. pv = nrt

How does the image distance (di) of a convex lens compare with the image distance of a concave lens? a. the image distance of the convex lens is positive, and that of the concave lens is negative. b. both are negative for a virtual image. c. both are positive for a virtual image d. the image distance of the convex lens is negative, and that of the concave lens is positive.

The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?