A football is kicked at an angle 300 above the horizontal. The initial velocity of the ball is 47.35m/s. Find the maximum height of the projectile.

What is created when solids,liquids,an gases mix with one another

Standing side by side ,you and a friend step off a bridge at different times and fall for 1.6s to the water below.your friend goes first,and you follow after he has dropped a distance of 2.0m.when your friend hits the water,is the seperation between the two of you 2.0m or more than 2.0m? verify your answer with a calculation.

Iwill give 30 points to whoever answers ! what is the formula for actual mechanical advantage and ideal mechanical advantage?