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rosedog09's latest activity
rosedog09
replied to the thread
Drag Forces and Terminal Velocity
.
All good. I can relate atm. All my AP exams are coming up and that doesn't stop my teachers from assigning lots of homework, so lots of...
Apr 25, 2024
rosedog09
replied to the thread
Drag Forces and Terminal Velocity
.
Apr 25, 2024
rosedog09
posted the thread
Drag Forces and Terminal Velocity
in
Introductory Physics Homework Help
.
Teacher says Im wrong on both these questions. I have consulted with other teachers and they say im correct. What do you guys think...
Apr 25, 2024
rosedog09
replied to the thread
Blowing Into Your Own Sail
.
This makes sense. I didnt think about the timing of it.
Apr 25, 2024
rosedog09
replied to the thread
Blowing Into Your Own Sail
.
Ok I think I am having trouble because I keep bouncing between force, momentum energy, etc The fan "adds" (yes I know its a conversion)...
Apr 25, 2024
rosedog09
replied to the thread
Blowing Into Your Own Sail
.
I dont know. It bothers me, but I dont know.
Apr 25, 2024
rosedog09
replied to the thread
Blowing Into Your Own Sail
.
Ok. I think I've figured it out. The sail is reflecting the air (in this case with an unrealistic level of efficiency) such that...
Apr 25, 2024
rosedog09
replied to the thread
Blowing Into Your Own Sail
.
Ok so what your suggesting is that the momentum change (impulse) on the sail is greater than the fan because the particle is reversing...
Apr 25, 2024
rosedog09
replied to the thread
Blowing Into Your Own Sail
.
Ok I can see that this works, but I want to understand why. I am not understanding how the air could possibly enact a greater change in...
Apr 24, 2024
rosedog09
replied to the thread
Blowing Into Your Own Sail
.
I understand that the sail will enact a forward force on the cart due to newtons third law from bouncing the air back, but I dont...
Apr 24, 2024
rosedog09
replied to the thread
Hello - A drowning student taking AP Physics 1 Online
.
Thank you for the helpful information. Judging by your profile and signature Im guessing your a ham radio operator. I got my technician...
Apr 24, 2024
rosedog09
posted the thread
Blowing Into Your Own Sail
in
Introductory Physics Homework Help
.
C. There is no net change in force, momentum, or velocity of the sail craft because the fan exerts a forward force on the air; however...
Apr 24, 2024
rosedog09
replied to the thread
Torque on a Pivot Point With Multiple Forces and Different Directions
.
Isn't force 3 to the left of the pivot point? My bigger issue is I don't understand why I am not getting credit for question 8.
Apr 23, 2024
rosedog09
replied to the thread
Torque on a Pivot Point With Multiple Forces and Different Directions
.
7. Ok, I see my mistake, that would make the equation -100(1)-50(.5)+50(.75) = - 87.5 8. If that is correct, what principle or...
Apr 23, 2024
rosedog09
posted the thread
Torque on a Pivot Point With Multiple Forces and Different Directions
in
Introductory Physics Homework Help
.
My AP Physics notes state that counterclockwise is generally positive and clockwise is generally negative. This makes sense to me and...
Apr 22, 2024
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