You serve a volleyball with a mass of 2.1 kg. the ball leaves your hand with a speed of 30 m/s. the ball has—— energy. calculate it

Which statement is the best definition of an atom? a) anything that has mass and occupies space. b) the smallest particle that has the properties of an element. c) a substance that cannot be broken down chemically into simpler substances. eliminate d) the smallest unit of a substance that exhibits all of the properties characteristic of that substance.

The built in flash in a compact camera is usally capable of giving correct exsposure for distance up to how many meters?

What you see with your eyes is a form of energy. a. light b. heat c. chemical d. electrical