Lab: Energy of a Bouncing Ball + Work Due to Friction Problem

Today we first completed a 20 minute, multiple choice quiz over first quarter content. Then we did a problem together (see below) and finally worked on the lab Energy of a Bouncing Ball.

Your homework tonight is to finish your lab and also complete Energy TIPERs #5 (email miss.volkening@gmail.com for a copy), due THURSDAY. Warning: Energy TIPERs #5 is not easy, but we do have a little time on Thursday for help, so please do not stay up all night stressing about it. You have the PSAT on Wednesday; please focus on preparing and resting for that.

Here is the problem solved with numbers:

And again without numbers first: