If a wave has a frequency of 2 Hz. what is the period

Which land class has the least restrictions and is best for cultivation

What are the similarities and differences between buoyancy and thrust?

Materials that can be used to make a battery? Is it only metals?

A race car completes a lap on a 1600 m long track with an average speed of 250 km/h. If the car's average speed on the first half of the track was 215 km/h, what was its average speed (in km/h) on the second half?

Boiling water in a pan is a good example of convection because___. A. The warm water rises and the cooler water sinks. B. The water is touching the bottom of the pan, but not the heat source. C. Boiling water can cook hard boiled eggs. D.

Anna bought a tangle fish and two rainbow fish for her aquarium the rainbow fish cost $6 more than the angelfish if she paid a total of $37 what is the cost of the angel fish

Suppose that the entire Universe began to contract (collapse) right now. Five billion years from now, an astronomer looking at the spectra of galaxies. What would be the changes noted? A.

Which of the following statements about the atom is false?

Explain why models are often used to study other planets.

The main factors that affect an area's temperature are prevailing winds and mountains. a. True b. False