Physics 1-12-22 Collisions Problems Review 2

PHYSICS: Great job with some of the more advanced momentum and energy problems! Here’s a look at the student in the middle of a frozen pond, bird on the wire, car crash with coefficient of friction, and the billiard balls.

Ready for the test? Take another look at some of the concepts!

Photo by Jenny Salita on Unsplash

Chemistry 1-12-22 Molecular Formulas

CHEMISTRY: Hey guys! Awesome job with empirical formulas, and now you’ve conquered writing molecular formulas! Here’s the lecture from Wednesday. It’s just like writing empirical formulas but with a twist at the end!

HW UPDATE: All the rest of the homework that was for Tuesday is now due Friday. The homework that is on the syllabus for Thursday (the five extra problems) is changed for now and will be due next week.

Have you started preparing for the test? It will be over ALL of chapter – plus the small bit from chapter 3. Be sure and checked out the Stuff to Know sheet for all of chapter 7 under the Test Info tab!

flickr photo by Sebastian Mary