What is the speed of sound in dry air if th e temperature is 46°c?

Arock collection comes from which part of earth?

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?

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?