Isaac newton’s investigations of gravity explained which truth? a. earth is not the center of the universe. b. jupiter has more moons than earth. c. gravity acts on all objects in the universe. d. the sun is more massive than earth.

Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?

A2.00-m long piano wire with a mass per unit length of 12.0 g/m is under a tension of 8.00 kn. what is the frequency of the fundamental mode of vibration of this wire?

The radius of an atom is closest in size to a