Give an example of an energy conversion that produces an enwanted from of energy

Which of the following separation methods is used in refining oil? chromatography simple distillation fractional distillation filtration

1) A beam if electromagnetic radiation has a wavelength of 1m. What part of the spectrum is this beam from? 2)) What is the relationship between a wavelength, frequency and speed of light?

This shape implies motion as its shape directs the eyes towards the tip. a triangle b circle c oval d square

Two train whistles, A and B, each have a frequency of 392 Hz. A is stationary and B is moving toward the right (away from A) at a speed of 35.0 m/s. A listener is between the two whistles and is moving toward the right with a speed of 15.0 m/s.

what is not a type of model that is commonly used in science and uses familiar things to describe unfamiliar things?

Which equation represents the total energy of a system?

The weight of a 100 N laser printer is spread over 0.5m2. What is the pressure it exerts? A) 50 N/m2 B) 200 N/m2 C) 500 N/m2

Comparing and contrasting ionic and covalent bonds?

Elevation above sea level is called

The train traveled 500 kilometers north to Odessa in 2 hours. What's the train's speed? What is the velocity?