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Results tagged with homework-and-exercises
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user 81999
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.
3
votes
1
answer
268
views
How is $ \frac{dv}{ dt} = a $?
I know how , in the physical sense -
$$\frac {dv}{dt} = a$$
But, even after thinking a lot, I am not able to see the fault in this -
$$\frac {dv}{dt} = \frac {d(st^{-1})}{dt}
= \frac {sd(t^{-1}) …
- 141
-1
votes
4
answers
32k
views
Compression of spring when an object of given mass is placed on it
A question in my textbook says -
A block of mass $m$ is released from rest onto an ideal non deformed spring from a negligible height. Neglecting air resistance, find compression $x$ of the spring.
…
- 141