Types of projectiles are: *none of these choices
*horizontal and circular
*horizontal, angular, and circular
*horizontal and angular

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects

On a geologic map, if the contacts between sedimentary rock units form a bull’s-eye pattern of concentric circles, with the youngest unit in the center, the underlying structure is a(n)

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.