The index of refraction of a certain glass is measured to be 1.5. what is the speed of light in that glass? (c = 3.0 * 108 m/s)

How much thermal energy is created in the slope and the tube during the ascent of a 30-m-high, 120-m-long slope?

Shaun is 68 miles away from Keegan. They are traveling towards each other. If Keegan travels 7 mph faster than Shaun and they meet after 4 hours, how fast was each traveling?

Some make-up removal products suggest shaking the solution before using it. Why would the manufacturers provide this suggestion? A. The solution evaporates easily. B. The solution separates naturally. C.

The line where the Earth and sky seem to meet forms the: A. zenith B. sky line C. horizon D. horizontal

Which of the following describes a magnet that only has a field when a current is present? permanent magnet magnetic domain electromagnet magnetic pole

Why are glass fibers stronger than bulk glass?

1. A 2000kg truck at rest accelerates to 45m/s in 7 seconds. What is its change in kinetic energy?

The speed with which force is developed by skeletal muscles is determined by the

What aviation first is paul maccready credited with

Why is the use of an international system of measurement important for science?