When a bat strikes a ball, the force exerted can send the bat backwards. This is an example of which law?

What is magnetic flux? explain faraday's law of induction.

Aregular polygon has angkes of size 150° each. how many side has the polygon

Asap and show ! a 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.