Which of the following is not true about gravitational fields? They always pull, never push

They dominate the micro-universe (movements of molecules)

It pulls with field lines that can be thought of like ropes.

they dominate the macro-universe (movements of planets)

Arocket starts from rest and moves upward from the surface of the earth. for the first 10.0 s of its motion, the vertical acceleration of the rocket is given by ay = 12.80 m/s32t, where the +y-direction is upward. (a) what is the height of the rocket above the surface of the earth at t = 10.0 s? b) what is the speed of the rocket when it is 325 m above the surface of the earth?