If two objects are moved farther apart, the force of gravity between them will
1.decrease
2.increase
3. not change
4. cease to exist

Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?

Sound is a disturbance that travels through a medium as a

Your science teacher brings in a speaker to talk to your class about climate change. during the session, students ask a few questions. which questions are related to the current evidence on climate change