What does diatomic mean?

A ray in plastic has a critical angle of 44.4 deg when trying to enter air. What is the index of refraction for the plastic?

Fm radio station broadcasts at 99.5 mhz. calculate the wavelength of the corresponding radio waves.

The density of gold and aluminum are the same. True False

Two electrical motors, one with a power output of 250 watts and one with a power output of 500 watts are both connected to a standard home outlet. Which motor draws greater current?

What do hail and tornadoes have in common?

When demand for electric power is high, power company sometimes reduced the voltage, thereby producing a "brown-out." What is being saved?

Secondary evidence is the basis for drawing scientific conclusions is this true ir false

A stone tumbles into a mine shaft and strikes bottom after falling 4.2 seconds. How deep is the mine shaft?

Walking across a carpet is an example of charge being transferred by a. contact. b. induction. c. static electricity. d. friction.

Scientist have measured that the vibrations of an earthquake travel faster through solid rocks in the Earth and slower in the liquid magma deep in the Earth. This data supports the idea that A.