Multiply the following three numbers and report your answer to the correct number of significant figures: 0.020cm x 50cm x 11.1cm=?

The slope of a good speed time indicates ? a. velocity b. acceleration c. direction d. speed

Ablock having mass m slides down an inclined plane. the force of friction between the block and the inclined plane is f, the block's weight is m g, and the normal force is n. (a) draw a free – body force diagram showing the forces acting on the block. (b) write down all relevant newton’s equations for a given situation.

Which number has five significant figures? a. 52,000 b. 8.002 c. 6.0000 d. 0.2350