11/25/13

Starting a Short Week

Physics D and F took their Chapter 5 exams and will start with the concept of momentum tomorrow, which is exactly the topic Honors Physics tackled today. Momentum, the product of mass and velocity, is changed when objects experience forces. However, the duration over which the force acts also plays a role in the momentum change. The product of force and time interval is called impulse and it is equal to the object's change of momentum. We examined examples of this relationship and how manipulating force and time influenced momentum change and factored into safety equipment such as air bags, and follow-through in sports. Tomorrow, we begin to take a look at conservation of momentum.

Intro Physics reviewed the basics of Archimedes Principle and worked through two sample problems as a class before turning attention to problems to work on individually. Keep an eye out for unit conversions and make sure to organize information very well when working on this problem set. Tomorrow, a lab on buoyancy and that might help you visualize the concepts for that problems set more easily. We'll go over the problems on Wednesday and review our lab as our last bit of info for this shortened week.