A sound wave is moving with a frequency of 700 Hz. What is the period of this sound wave?

1/700 Hz

70 s

700 s

1/700 s

What is the air density doing when the weather forecast says the pressure is rising?

It is epistemically possible that a completed physics might include which of the following propositions? O Souls and other spiritual substances exist O God created the universe O Matter is unreal O All of the above

What is the interaction between two particles called?

On a cold day, snakes usually lie very still and eat little or nothing while birds usually move around and eat a lot of food. Which statement explains this?

A baseball goes from zero to 39 m/s in 0.917s. what is its average acceleration?

Which of the following statements are correct? 1. Electrons and protons have identical masses but opposite charges. 2. Most of an atom's mass is concentrated in a small, positively charged, nucleus. 3.

What are some changes that can be caused by sound energy?

A cheetah can run at 30 m/s, but only for about 12s. How far will it run in that time

A car is traveling 80 km/h if the car's speed remains constant how far will it have traveled in 3 hours a. 3km b. 26.7km c. 80 km d. 240 km

True or False? Gases such as water vapor condense when they are * heated*.