• Optical fibers are generally composed of silica, with an index of refraction around 1.44. (a) How fast does light travel in a silica fiber,
and (b) How long will it take for that light to travel from Ajman to
Dubai if its 40 km apart?

What object a collides with object b and bounces back its final momentum is?

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive