A man walks 2km east,6km 30° east of north,5km 60°west of north and then 2km south whar is his total displacement from yhe starting point​

State one advantage and one disadvantage of using a plane mirrior as a driving mirrior

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?