Recent content by yesmale4

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    Quantum Theory, particle in a ring

    hello i would to get some help with my homework. 1. true 2. i dont know 3. true 4. i dont know 5, false 6. i dont know about 2,4,6 i really have know idea what to think I really appreciate help
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    Why Does the Electric Field Component Ex Require a Negative Sign?

    hello i would like to understand to something. here is the drew now for my question: i was able to find Ey and here is my correct answer: when i try to find Ex i didnt understand something, i found the correct answer but i need to put minus before and i want to know why? here is my solution...
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    Coulomb's law — A negative charge balanced between 3 positive charges

    fixed thank you
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    Coulomb's law — A negative charge balanced between 3 positive charges

    hello i would like to understand something, i found the right answer but there is still something i don't understand. here is the figure and here is my correct solution what i don't understand is why F(3,Q) is 3kQ/r^2 i mean why is the 3? i only calculat the force between q3 and Q so why...
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    Graphical Impulse calculation from the graph of force verus time

    about the first question i was thinking that because impulse formula is J=F*(t-t0) and the force isn't constant then if i calculate the change in the force and multiply it by the change of time it will be alright about the second question i was not able to calculate the area between t = 12 to...
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    Graphical Impulse calculation from the graph of force verus time

    hello i would like to get some help with this problem. At first it try to calculate the impulse by the area but i found it too difficult Then i try to solve it by the forumla J= F(t-t0), but the problem is that i don't know what F is so i try to solve it like this F10) = 8 F(33) = -13 so EF =...
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    Momentum and impulse problem: A mass collides with another mass on a spring

    ohh true I was confused thank you very much
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    Momentum and impulse problem: A mass collides with another mass on a spring

    i would like to get some help and to understand why my answer is incorrect , here is how i did the first and second part. about the first part i did it right but i don't understand what I am doing wrong in the second part i tried -k and i get -23.997 and i also try +k and i get 23.997 but they...
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    How Do Spring Force, Static Friction, and Normal Force Interact?

    i understand so how i need to change my calculations to get to the right answer
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    How Do Spring Force, Static Friction, and Normal Force Interact?

    Fspring= x*k = 0.037*531 i don't see how the friction is relate because the only force is Fs-mg=0
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    How Do Spring Force, Static Friction, and Normal Force Interact?

    i would like to understand why my answer is incorrect and how i need to solve this problem
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    Will the spring stretch or compress?

    i try this i did (-5.8*(9.81-0.41))/711 and get -0.0766m and its still the wrong answer
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    Will the spring stretch or compress?

    less
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    Will the spring stretch or compress?

    i would like to understand why my answer is incorrect i don't know what I am doing wrong i would like for some help
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    Preventing a block from sliding down a frictionless inclined plane

    hey i would like to understand something, i solve this question but i don't understand why my answer is right, first of all we learn that in problems like this we need to disassemble into components the mg and that what i try to do here but i didnt get the right answer so then i try to do same...