How does a frequency of a wave relate to the energy of a wave

A tall, open container is full of glycerine. At what depth h below the surface of the glycerine is the pressure 2170 Pa greater than atmospheric pressure? The density of glycerine is 1.26 * 10 3 kg/m 3.

Two instruments that are used to measure length

An emission spectrum shows : a. Brightly colored lines b. A rainbow of colors merging into each other c. Only red and orange bands d. Only green and blue bands

What kind of force can be created with an electrical current?

A rollerblader is blading along the sidewalk. Which forms of measurement would be the best to use to determine the rollerblader's speed?

If 2 grams of element X combine with 4 grams of element Y to form compound XY, how many grams of element Y would combine with 46 grams of X to form the same compound?

How do positive and negative charges interact with each other?

What is electricity

What happens to the density as one progresses through the layers of the earth from the lithosphere toward the inner core

What is tiny holes on the surface of a plant?