A dog runs 50 meters north 40 meters east and 20 meters south what is the displacement

A car travels 20 km west and then 20 km south. what is the magnitude of its displacement vector

How does a sound source affect things close and far?

What is an extrasolar planet? a. A planet that is considered an "extra," in that it was not needed for the formation of its solar system. b. A planet that is extra large compared to what we'd expect. c. A planet that is larger than the Sun. d.

What causes all planets to orbit it circles?

A cars speedometer measures

Explain how birthrates and death rates influence the size of population.

What happens to the resistance of a wire as its length increases? A. The resistance decreases. B. The resistance is not affected by a change in wire length. C. The resistance alternates between high and low values. D. The resistance increases.

What is true about molecular compounds that dissolve in water

What is a lenticular (S0) galaxy? A galaxy with a disk and central bulge like a spiral galaxy, but with no spiral arms A galaxy with a smooth brightness profile, lacking the central bulge and disk of a spiral galaxy A spiral galaxy with fuzzy and

Which process causes wells on land to become saline, making them unusable for drinking water? A. Erosion B. Echo sounding C. Eutrophication D. Groundwater infiltration