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Results tagged with homework-and-exercises
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user 23402
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.
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Loop Rule Parts Problem
[Loop Rule Diagram]
The problem is thus: Apply the loop rule to abcdefghia and find the expression which adds to zero.
I tried this, but I was not able to get it correct. I know that when crossing …
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Doubt in Kinematics
Set up $x_2= x_1+1/2 \times a(t_2-t_1)^2$ as your equation for $x_2$, solve for a, which gives a=2($x_2$−$x_1$)/($t_2$−$t_1$)$^2$, and plug that into the equation $x_2 = x_1 + v_0\times t_1+[(x_2-x_1) …
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Sum of all forces
Newton's second law was originally formulated as $S_F$=$dp/dt$. P is momentum, which equals mass multiplied by velocity and that quantity divided by time. $S_F$ is the sum of the forces. Although $S_F …
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Would this box on the floor rotate based on friction?
Even with non-zero friction, the object would rotate. The object is not in equilibrium (even though the vertical forces are balanced, the velocity produces a torque, and so the net forces on the objec …
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