The word supersonic describes:

A. Motion faster than the speed of sound

B. Frequencies of sound too high for the Human Ear to Hear

The islands of Java and Sumatra in Indonesia are an example of A. a rift zone B. a hot spot C. an ocean ridge D. a volcanic island arc

How many birds have tested positive for West Nile virus?

A subway train is traveling north at a speed of 35 km/h while a passenger walks south through the train at a speed of 2 km/h. From the passenger's frame of reference, how fast is she traveling in relation to the train?

Briefly describe the hydrologic cycle.

Scarcity is not usually a problem in economics true or false

3. A 120.0 V generator supplies 3.0 kw of power. How much current ca the generator deliver?

An apple drops from a tree and hits the ground in 1.5s what is its speed just before it hits the ground?

Sound travels slow in cold air. Why does the speed of sound depend on air temperature?

A tow truck pulls a 500 kg car so that the car accelerates 2 m/s2. What is the net force on the car? 250 N 498 N 1000 N 502 N

Which force keeps you near earths surface?