Title | : | Physics 8 Work, Energy, and Power (27 of 37) |
Lasting | : | 13.57 |
Date of publication | : | |
Views | : | 88 rb |
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In India high school kids are solving this problem for fun Comment from : Raj Aryan |
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Gotta say I might have been stumped by the negative result, but it's what gives this problem an extra element of learning capacity, in my opinion Comment from : fizixx |
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Sir, why didn`t we assume that energy loss is 0 as we are considering the mechanical energy after(up the incline)- just so we consider the fact that there is no friction up the incline Comment from : Sthelile Sihle |
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Very Nice I forget we can skip all the inbetweens for these multistage problems The way you showed how you can backtrack helped clear up a few of my other misconceptions as well I keep wanting to treat each stage as its own PE-final or KE-final and it gets tedious, not to mention unnecessary >> Comment from : Christopher Wilkins |
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What would change in case the incline had friction in it? Comment from : neeraj shetty |
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Are there any examples of where this equation is used? Comment from : Jack Dixon |
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physics3a- why is there no initial kinetic energy at the start when we let the block go? I would assume that when we let the block go the spring would immediately propel the block Comment from : Catherine Phelps |
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This is an amazing detailed problem! Thanks! Comment from : Mohamad Majed Hussam Saaeddin |
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What a great way to take a problem that had a small error in it and turn it into something special Very cool Comment from : marcochimio |
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The number (-047m) what does it tell us about the position of the block besides the fact that it doesn't go up the incline Comment from : McAlkis |
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Instead of potentional energy with height i used mgsin theta * distance and got the same negative result Seems like it would work too Comment from : Unbelievable |
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Why you have taken work done by friction (heat lost) positive ? Comment from : Kush Singh |
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The heat will be also lost on inclined plane, why you didnt took it into account Comment from : Asif Ahmad |
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Why does W become 0? I don't get that part Comment from : Parfitt Elcano |
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It would be better to change the compression of spring to 1 meter so the block have enough energy to make it up incline Comment from : ahmad ghorbanpour |
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