What is the unit for electric charge?

Kilogram

Newton

Electron

Coulomb

Which two layers of Earth are mainly composed of metallic elements such as nickel and iron, which are abundant in meteoroids and comets? Inner core outer core lower mantle upper mantle crust

Which of the following is an example of sound energy? A. a tv signal lost bc of a storm B. the waves from a star seen in the sky C. a light bulb giving off energy as heat D. waves moving through air after a crash

A balloon is expanded to the same volume as that of a human head. Do an order-of-magnitude estimate of the volume of this balloon in cm3.

A seaside cliff is 30 m above the ocean surface, and Sam is standing at the edge of the cliff. Sam has three identical stones. The first stone he throws off the cliff at 30° above the horizontal.

Two sacks contain the same number of identical apples and are separated by a distance r. The two sacks exert a gravitational force on each other that is opposite in direction but with the same magnitude, F.

What is the name of an ionic compound that consists of lithium ions (Lit) and iodide ions (I) ?

A flashlight is an example of

Into how many main groups are fish divided? a. one b. two c. three d. four

A dragster going at 5 m/s north increases its velocity to 23 m/s north in 4 seconds. What is its acceleration during this time interval?

Write the minkowski version of newtons seconds law in terms of proper acceleration