Convert the following derived units into index notation. 1. J/K
2.m2/s2
3.m2kg/s3 A2
4.m2/m2
5.kg/ms2

Can someone plz plz help me I honestly do not understand this and I have a test tomorrow and this might come up on it

A14 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.