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Results tagged with homework-and-exercises
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user 150294
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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Drawing gravitational equipotential surfaces
You are wrong see potential is inversely proportional to $r$ right
So, $(1/r_1)-(1/r_2)$ is potential difference (there is other constant multiplied to it of course)
Which comes out to be $(r_2)-(r_ …
- 415
0
votes
Finding the Tension with Friction and Pulley
Of course tension is same due to constraint ,hence we get 2 equation from free body diagram
MaA = T - f
And
MbA = T + f. (You can take f in any …
- 415
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1
answer
180
views
Work done by frictional force [closed]
I used to assume that work done by friction is dependent of path it follows but i am confused as this question or answer of this question suggests that it has nothing to do with give theta
So am i …
- 415