Which of the following is an example of an electromagnetic wave?

A. sunlight

B. an earthquake

C. the sound of kids playing

D. butterflies flying through the air

vector G is 40.3m long in a - 35.0 direction. Vector H is 63.3m long in a 270 direction. Find the direction of their vector sum

A heat engine exhausts 8900 j of heat while performing 2800 j of useful work. part a what is the efficiency of this engine?

What is an example of chemical potential energy in humans?

What is the until of measure for speed?

A rectangular pane of glass is 91.1 cm wide and 155.9 cm long, and its area is equal to the length multiplied by the width. Using the correct number of significant figures, what is the area of the glass? 14,200 cm2 14,202 cm2 14,202.5 cm2 14,202.

Consider this statement: Air is matter. Which facts best support the statement? A. Balloons can be filled with air. B. Air is essential for life to exist. C. Air has mass. D. Air is not an element. E. To float on air is to be happy. F.

Hydroelectric power uses: wind water coal the sun

Two lightweight metal spheres are suspended near each other from insulating threads. One sphere has a net charge; the other sphere has no net charge. The spheres will: A. Attract each other B. Exert no electrostatic force on each other C.

Read the given list of organisms. squirrel, zebra, tortoise, rabbit, horse What best describes the role of these five organisms in a food web?

What are the SI units for specific heat capacity