physics homework 51

physics homework regarding dynamics

https://pi.pearsoned.com/v1/piapi/piui/signin?client_id=dN4bOBG0sGO9c9HADrifwQeqma5vjREy&okurl=https:%2F%2Fportal.mypearson.com%2Fcourse-home&siteid=8313

login to this website to do the homework