PLS HELP A baseball player leads off the game and hits a long home run. The ball leaves the naf at an angle of 70 degrees from the horizontal with a velocity of 55.0 m/s

a. what is its maximum height
b. how much time does it spend in the air

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?