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Results tagged with Search options user 84150
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Applies to questions of primarily educational value - not only questions that arise from actual homework assignments, but any question where it is preferable to guide the asker to the answer rather than giving it away outright. Please READ THE GUIDANCE IN META before asking homework-like questions.

Let's maybe clear up a (possible) misunderstanding first. Mathematically speaking, to say that $V$ has no dependence on $z$ implies the following: $V(x_1,y_1,z_1) = V(x_1,y_1,z_2)$. The simple and …
answered Jun 24 '15 by anon01
I don't know where you have trouble, but it's straightforward if you just assume $R(x,t)$ and $S(x,t)$ in the form given for $\psi$ and then expand out the operations, where: \begin{align} \psi &\ …
answered Jul 28 '16 by anon01
Acceleration is given by the total, or net force acting an object. This is just a clearer statement of your intuition: the ground imparts a force on the person as they're falling that reduces their a …
answered Feb 14 '16 by anon01