This one is sneaky. Thin rod length 4, density rho(x)=x (x from the left). What is the x coordinate of the center of mass? Drop your answer in the comments. Full walkthrough is on my YouTube channel, go check and subscribe so you dont miss it. Save this, tag a classmate, and comment "NEXT" with the topic/integral you want tomorrow. Follow for daily calculus help. #calculus #calc2 #centermass #mathchallenge #mathguysteve