Which of the following components of an electrical circuit is a source of voltage?

A. a switch

B. a battery

C. a resistor

D. a light bulb

Which are characteristics of light? Check all that apply. can be bent by objects can be taken in by objects can be stopped by objects can bounce off objects can be changed by objects

What is the acceleration of a baseball when it is moving upward after being tossed directly upward?

Organic chemistry is the study of compounds containing

Scientists are working with a liquid that is made of only one type of atom. Which statements correctly describe this liquid? Check all that apply.

Frost wedging causes physsical weathering of rock by means of

What are some methods humans have used to control flooding and what has been done to worsen the effects of flooding?

Suppose an electron is moving with a constant velocity until it encounters a positively charged sphere on its right. How does the sphere alter the trajectory of the electron? a. It has no effect on the trajectory of the electron b.

Most of the mass of the Milky Way exists in the form of: a.) starsb.) gasc.) dustd.) dark matter

A 55kg cart is pushed by a force of 225 n. what is the carts acceleration?

F we wanted to compare muscular endurance between a very large person and a very small person, what method would be the best method to use? a. absolute method b. maxing out c. callisthenic method d. fixed percentage of rm method