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

What is a caliper used for? to make a precise measurement of volume to make a temperature measurement with low precision to make a volume measurement with low precision to make a precise measurement of length

In an open system, such as a campfire, matter can?

What goes through evaporation

What is the correct order of the structures of the motor neuron?

What property of sound enables us to distinguish one sound source from another?

In the virtual lab, calculations were made of the predicted diffraction angle, using the formula θ ≈ StartFraction lambda over L EndFraction.

What trends were seen in Mendeleev's periodic table?

Through which medium would EM waves travel the fastest? A. The Ocean B. The Atmosphere C. Rocks

Average mass of a toy car (small, hot wheels) ?

A cannon directed straight upward launches a ball with an initial speed v. The ball reaches a maximum height h in a time t. Then, the same cannon is used to launch a second ball straight upward at a speed 2v.