A boy runs 100m due North and 100m due east. what is displacement?

Which object would be considered to be in free fall? one that experiences both friction and centripetal force one that is truly weightless one that is slowed down by air resistance one with only gravity acting upon it

When using levers like scissors or hedge clippers, what can be done to increase the cutting force so that you don't have to squeeze so hard?

When a lion eats a zebra and then uses the energy from the zebra to run, the lion's body converts a) chemical energy to light energy b) chemical energy to kinetic energy c) electrical energy to chemical energy d) mechanical energy to chemical

differentiate among the types of electromagnetic waves by comparing frequency, wavelength, and energy

A friend tells you that a scientific law cannot be changed. State whether or not your friend is correct and then briefly explain your answer.

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