Can someone help me this question ​

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.

How is the gravitational force related to the distance between two objects?

Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?