A rock is thrown with a velocity of 18.7m/s horizontally off the top of an 4 po elevated hill. If the time it takes to reach the ground is 3.70 seconds. What
is the height of the hill? *
PLEASE HELPPP NEED THIS DONE FOR TONIGHT

Aray of light traveling parallel to the principal axis of a concave mirror will be reflected through the mirror's

Crowbar of 5 metre is used to lift an object of 800 metre if the effort arm is 200cm calculate the force applied

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?