The speed of the cart after 3 seconds of Low fan speed is cm/s.

The speed of the cart after 5 seconds of Medium fan speed is
cm/s.

The speed of the cart after 2 seconds of High fan speed is
cm/s.

What properties of a moving object are used in determining the object's energy of motion

The ozone hole appears in antarctica during

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.