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Results tagged with estimation
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user 62726
A rough calculation or an approximation of the value, number, quantity, or extent of something so that it is usable for some purpose even if the input data may be incomplete or uncertain.
0
votes
What should the length of my wire be in order to get a surface area of 10cm^2?
The key idea here is that the volume of the wire before and after flattening it should be almost exactly the same, since you aren't removing or adding any metal, just smushing it around.
If $L$ is th …
- 7,595
65
votes
Accepted
Why don't things get destroyed by gas molecules flying around?
When you say "why aren't things being destroyed", you presumably mean "why aren't the chemical bonds that hold objects together being broken". Now, we can determine the energy it takes to break a bon …
- 7,595
2
votes
How much force can bolt cutters exert?
This depends on the design and measurements of the bolt cutters. Some bolt cutters have a single fulcrum, some have two.
If you have a one-fulcrum bolt cutter, then you have a pair of first-class le …
- 7,595