Honors Physics - C Block's lab data may be a little squiffy due to the plastic inclined planes. I think that slipping might affected the runs and were the reason for some of the unexpected peaks in the velocity/time graphs. G Block only had wooden planes and their runs were far cleaner. Memo to me: only use wooden inclined planes for this experiment next year. Even with the bumpy data for some groups, the data did provide an insight into the methodology Galileo used to understand and describe the idea of free fall. Admittedly, the values calculated in this experiment reflect the influence of friction. This does not negate the principle, we must simply account for the extra force influencing the motion of the cart.
Physics - Our discussion of the nature of vectors will give you a little taste of why Monday's lab with inclined planes can give a decent value for the acceleration due to gravity. The independence of the x- and y-components of the vector (inclined plane) allows us to evaluate motion solely in the vertical direction. We will further examine this independence when we move into projectile motion.
Physical Science - Test Monday! Don't forget to have your homework sheets and your calculators. Remember to study ALL material for this unit. On Tuesday, we start our unit on motion - the first of the Introductory Physics curriculum frameworks curriculum standards. You will find that we have previewed a good bit of this material in the Mathematics unit.
That's a wrap. Back to House...
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