Science Homework Help

I’m studying for my Physics class and don’t understand how to answer this. Can you help me study?

A BASKETBALL WITH A MASS OF 740G WAS DROPPED FROM A HEIGHT OF 2M ONTO THE FLOOR OF A BASKETBALL COURT THE BALL BOUNCED BACK UP TO A HEIGHT OF 1.4M

WHAT WAS THE MAXIMUM VELOCITY OF THE BALL JUST BEFORE IT IMPACTED WITH THE FLOOR?

DETERMINE THE VELOCITY OF THE BALL IMMEDIATELY AFTER IT BOUNCED OFF THE FLOOR?

DETERMINE THE CHANGE IN MOMENTUM OF THE BALL WHEN IT BOUNCED?