Person with a mass of50 kg jumps up from the earth with an acceleration of 20 newtons. what is his acceleration?

Which is special about a dc circuit ? a. it has both series and parallel components b. it has only series or only parallel components c. charge moves in a single direction d. charge moves back and forth quickly

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.

Astudent pushes a 60-n block across the floor for a distance of 10 m. how much work was done to move the block