1. Try to estimate the area under the curve shown here - it is the impulse of the engine. Watch units and note that each block has an area of 0.3 N-s
http://www.321rockets.com/estes-b6-0-model-rocket-engines-1608
Do this calculation independently so that can compare values.
(The impulse is supposedly around 5 N-s.)
2. Each of the two groups has time data. I doubt that it will be meaningful, but use the width of your index card (in whatever orientation you had it) to estimate the velocity of your car. I suspect that this will be on the low end of correct values. Either measure the index card width directly or take data from a standard index card, folded as you had done in class.
3. See page 222 in your text for the standard solutions to the elastic collision problem discussed in class.
4. Finally, catch up on these problems:
chapter 9 - 54, 61, 68
No comments:
Post a Comment