How would you calculate an object’s mechanical energy? a. add its kinetic and potential energies. b. multiply its kinetic and potential energies. c. subtract its kinetic energy from its potential energy. d. subtract its potential energy from its kinetic energy.

Which two objects have the greatest gravitational force acting between them

Which of the following elements is in the same period as phosphorus? a. carbon c. nitrogen b. magnesium d. oxygen select the best answer from the choices provided a b c d

The arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s . 1.) a. precipitation b. water vapor c. icy debris 2.) a. gravitational compression b. biochemical cycling c. radiogenic heating 3.) a, gravity b. magnetic field c. heat energy for plato