An object has a speed of 2.00 m/s. Three seconds later it is going 8.00m/s. What average acceleration did it experience?

Aknife blade is a(n) a. lever b. screw c. wedge d. inclined plane

Which features on mars point to the possibility of liquid water on the planet? impact craters with sharp rims volcanic cones with craters gullies and stream-like channels mountain ranges with faults

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.