I don't understand what they are asking.
Could anyone please explain to me? -_-
I think I know what to do, but either mastering physics is being gay or idk..
Blogs > clazziquai |
clazziquai
6685 Posts
I don't understand what they are asking. Could anyone please explain to me? -_- I think I know what to do, but either mastering physics is being gay or idk.. | ||
TheYango
United States47024 Posts
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clazziquai
6685 Posts
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micronesia
United States24342 Posts
If you double the displacement x, you get 2^2 or 4 times as much energy stored (4Uo) If you half the displacement x, you get (1/2)^4 time as much energy stored (Uo/4) If you want to double the energy, then you say 2 = x^2 so x needs to be sqrt(2)'d (xo*sqrt(2)) | ||
clazziquai
6685 Posts
And I put Uo/4 for the second one. This p.o.s tells me: Submitted Evaluated Message 4Uo 2.78 The correct answer does not depend on the variable: U_0. | ||
TheYango
United States47024 Posts
On November 14 2008 11:46 clazziquai wrote: Show nested quote + Submitted Evaluated Message 4Uo 2.78 The correct answer does not depend on the variable: U_0. Its asking for the ratio. Just drop the Uo and it seems like it should accept it. Notice the fraction before the answer box? Though IMO if it can't take a Uo, whoever wrote the thing needs to learn to parse inputs better. | ||
clazziquai
6685 Posts
i put also included the Uo as well, which fcuked me up. omg thanks micro/yango | ||
mikeymoo
Canada7170 Posts
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caelym
United States6421 Posts
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Not_Computer
Canada2277 Posts
On November 14 2008 11:55 mikeymoo wrote: Mastering physics is the best online homework type thing I've come across so far. On November 14 2008 11:58 caelym wrote: i feel you man, mastering physics is the gayest shit ever balanced reviews i see | ||
BluzMan
Russian Federation4235 Posts
Hope that helped! | ||
AoN.DimSum
United States2983 Posts
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Klockan3
Sweden2866 Posts
On November 14 2008 12:16 Not_Computer wrote: Show nested quote + On November 14 2008 11:55 mikeymoo wrote: Mastering physics is the best online homework type thing I've come across so far. Show nested quote + On November 14 2008 11:58 caelym wrote: i feel you man, mastering physics is the gayest shit ever balanced reviews i see I would guess that caelym just hates physics. | ||
Chromyne
Canada561 Posts
Yes, Mastering Physics sucks. A complete emphasis on the final answer and not the solution in its entirety. | ||
Klockan3
Sweden2866 Posts
On November 15 2008 07:46 Chromyne wrote: Didn't read anything. I just wanted to say: Yes, Mastering Physics sucks. A complete emphasis on the final answer and not the solution in its entirety. How would you design an Internet physics education system then? | ||
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