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Sep
02
Physics 9-2-10 Acceleration Review (& the Deer Problem)
Filed Under (Physics Notes & Review) by Ms. Skinner on 02-09-2010 and tagged acceleration, displacement, velocity
PHYSICS – Here’s the review we did on acceleration today – conceptual stuff at the first, and then problems. In this one, we went over HW: 12 – 15ish, then problems 20 – 25, and 41 – did we get to #42? This includes the deer and park ranger problem. Don’t freak out if you aren’t getting the exact answer – it could be a rounding issue. See you in the parking lot tomorrow – are you ready for a break?
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15 Responses to “Physics 9-2-10 Acceleration Review (& the Deer Problem)”
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September 2nd, 2010 at 9:09 PM
What was the final answer to the deer problem?
September 2nd, 2010 at 9:21 PM
Preston – Rxn time: 1.6 s
September 2nd, 2010 at 10:04 PM
Hey Ms. Skinner, I think that i am actually beginning to understand how to work these insane problems. i found that it really helps alot when i write down what i know first.
September 2nd, 2010 at 10:15 PM
same here austin…can you show us how to work #50 tomorrow? I can do the first step in my head but i just dont know how to write it correctly but after that i think i can do it
September 2nd, 2010 at 10:59 PM
Hey Ms. Skinner! I think I am finally understanding these problems too!! Yay! (I think number fifty is the only one that I am not sure I got right…)
September 3rd, 2010 at 7:43 AM
It seems easy in class but then hard at home but then when we get to class and explain it I realize I was so close but just didnt do 1 part or something, these videos help, thanks ;D
September 3rd, 2010 at 11:17 AM
@ Ms. Skinner, Yes, I am ready for a break
September 3rd, 2010 at 11:34 AM
Well, I still don’t know how to do number 42. So, someone should help me with that..
September 3rd, 2010 at 2:40 PM
Can someone explain what their thought process was on #45?
September 3rd, 2010 at 6:01 PM
I agree. I atill don’t understand how to do 45.
September 3rd, 2010 at 5:10 PM
what is the answer to number 50 part b&c?
September 3rd, 2010 at 7:23 PM
Kaele, b was 11 s, but the way i did it I got twelve. I guess because of rounding and I can’t remember c.
September 3rd, 2010 at 9:37 PM
I can honsetly say that just writing down the formulas and practicing how to rearragnge them in class today helped me tremendously with the more difficult problems. Thanks for just taking some time and get readjusted to doing algebra Ms. Skinner!
September 6th, 2010 at 11:25 AM
does anyone understand how to do number 6 on the hand out?
September 6th, 2010 at 2:26 PM
well you know d=192m and a=9.0m/s^2 and Vi=0 and you are looking for t. so use d = Vit + 1/2at^2