Earth is slightly closer to the sun in january than in july. how does the area swept out by earth’s orbit around the sun during the 31 days of january compare to the area swept out during the 31 days of july?

A500g object falls off a cliff and losers 100 j from its gravitational potential energy store. if the gravitational field strength g=9.8n/kg, how high is the cliff?

Which of the following are properties of mechanical waves? check all that apply ⭕️ particles of the medium move back and fourth, but do not move with the wave. ⭕️ the particles of the medium always move parallel to the wave motion. ⭕️ wave motion begins with a disturbance in the medium. ⭕️ waves transport energy from a source outward, away from the source.

Which type of bond is found between the atoms of a molecule? a. metallic b. delocalized electron c. covalent d. ionic