A 20.0 N force is necessary to stretch a spring 0.500 m. What is the spring constant of this spring?

Which surface feature of the moon is characterized by mountainous areas? terrae craters maria regolith

An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d

The solid that is formed and usually sinks to the bottom of a solution is the