Calculate her average speed between t = 0 and t = 10 s. Show your working.

Which object is most likely represented by a dot?

What causes the formation of ocean currents?

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.