Please solve for 15 points. Please don’t input a link.

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.

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?

What component of earth’s atmosphere exists entirely as a result of photosynthesis?