Today we did quite a bit of "practical" work with the information we learned yesterday. We used our velocity formula to determine how fast we can throw and we used our velocity and acceleration formulas to determine our running speeds during different sections of a 40 foot race.
Homework for tomorrow is to:
1. Finish the 3 problems I posed at the end of class today. (I've included answers below.)
2. Do a distance vs. time, speed vs. time and acceleration vs. time graph for your data from the "race".
3. Do the "plug and chug" problems 1- 8 starting on page #26. (Answers below)
I thought you may find this video useful. It has some great "scientific" tips for how to study better. I wish I would have known this stuff in high school!
Answers to problems on the "board".
1. 22.22 m/s/s
2. 320 m/h
3. 30 ft, speed = 3.7m/h acc = .45m/h/s
70 ft speed = 3.4 m/h acc = .03 m/h/s
130 ft speed = 5.1 m/h acc = 1.1 m/h/s
Answers for Plug and Chug
1. 28 m/s
2. a, 8 km/h
b. 8 km/h
3. 10 km/hr/s
4. 20 m/s
5. 15 m/s
6. 15 m/s
7. 60, 30, 180
8. 80, 320
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