During a fierce storm, a large number of tall trees on an island are uprooted by the wind and die. Most of the trees on the island are now short trees and produce seeds that grow into short trees. What concept is shown in this example?

An object has a weight of 500 on earth what is the mass of this object

Connie has $660,000 she wants to save. if the fdic insurance limit per depositor, per bank, is $250,000, which of these way is distributing her money between three banks will guarantee that all of her money is insured ?

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.