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Kinematics 2D Unit

PROGRESSIVE SCIENCE INITIATIVE® (PSI®)

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5 Comments

kara Benart • 2 years, 5 months agologin to reply

In the unit plan, it simply lists Lab 1. What is this lab?

Nick Juliusburger • 8 months agologin to reply

hello - the unit plan lists activity by day and then states that it is based on a 45 minute period. Can anyone tell me if this unit plan is assuming a double period for each class?

Melissa Axelsson • 8 months agologin to reply

We're so glad that you're using the materials and finding them useful! All of our unit plans assume a 40-50 minute class period. Let us know if you have any other questions!

Nick Wang • 2 months, 1 week agologin to reply

I am looking at the practice FRQs. Is the answer key to question 2a accurate? A lower θ does not necessarily mean a larger horizontal displacement. (i.e. 30 degrees will have the same horizontal displacement at 60 degrees.) Is there another phrasing for this question that would be appropriate?

John Ennis • 2 months, 1 week agologin to reply

Nick, thanks very much for spotting that, you are correct. Please check out the revised posted version, and let me know if that works. John

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