A horizontal spring with k = 100 N/m is compressed by 10 cm by a 100 g mass. a. How much elastic potential energy does the compressed spring store?

b. How much elastic potential energy would the compressed spring store if it were compressed the same distance by a 300 g mass?

Astone is thrown into a pond. what happens to the amplitude of the resulting waves as they get farther from the point where the stone hit the water? explain.

Consider two regions of space containing a static electric field, region a and region b. in region a the equipotential lines are more closely spaced than those in region b. what can be said about the relative strength of the electric field in the two regions? a) the electric field in region a is stronger th

By what primary heat transfer mechanism does the sun warm the earth?