A thin glass (refractive index 1.5) lens has optical power of-5D in air. Its optical power in a liquid medium with refractive index 1.6 will be A) 25D
B) -25D
C) 1D
D) 5D/8​

What happens to the velocity of the car when the upward pull of the cable is greater than the downward pull of gravity as the car rises toward the top?

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.

Which of the following bonds would be most polar? a. c-i b. c-br c. c-cl d. c-f e. c-o