Electrical shock happens when electric the body at one point and leaves through another.

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

The amount of potential energy possessed by an elevated object is equal to what?

Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.