Express in words AND mathematically the relationship between ...

Period and frequency

A theory is A. an educated guess that has yet to be proven by experiment. B. a synthesis of a large collection of information including well-tested guesses. C. close agreement by competent observers of observations of the same phenomena. D.

A skydiver is falling at constant velocity. If a force of 600 N is pulling down on the skydiver, how much force must be acting upward on the skydiver? exactly 600 N slightly more than 600 N slightly less than 600 N exactly 0 N

Choose the type of literary device being used in the example below. I ran as fast as a cheetah but I still missed the bus, which is chaos on wheels.

If a gas has an absolute pressure of 319 kPa, its gage pressure is A. 419 kPa. B. 219 kPa. C. 439 kPa. D. 199 kPa.

What are five things that must be true in order for a substance to be considered a mineral?

Tony uses the device shown in the diagram to model how an electromagnet is used in his uncle's scrap metal yard.

A flight attendant pulls a 60.0 N flight bag a distance of 239.0 m along a level airport floor at a constant speed. A 21.0 N force is exerted on the bag at an angle of 66.0 degrees above the horizontal. How much work is done on the flight bag?

A girl throws a rock horizontally, with a velocity of 10 m/s, from a bridge. It falls 20 m to the water below. How far does the rock travel horizontally before striking the water?

This is a machine consisting of two wheels of different sizes that rotate together. It is a modified lever.

A source from which organisms generally take elements is called a/an A. biotic community. B. reservoir. C. exchange pool. D. food web.