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Newton’s Cradle is a corporate toy most of us wish to have on our work tables. This swinging ball setup relieves stress in some and inspires creativity in others, but for the majority of people, it is little more than a fascinating distraction. ...
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Science Advisor Gold Member 2024 Award 9,675 11,179 Leoragon said: So in F = ma, the units are: kg, m/s2, and Newtons? To clarify what you said, my examples are the same. No difference? yes so F (Force in Newtons) = m (mass in kg) x a (acceleration in m/s2) so ...
This would mean: (a) the system under consideration (one spin, many spins?) (b) the state the system is prepared in (). (c) which (spin?) observables are measured. (d) what does "average-only validity of conservation laws" mean for you. In the standard meaning of this words it'...
There are newer, more sensitive tools that measure grip in newtons. This makes it easier to record small changes between trials. The authors suggest frequent recalibration of instruments to ensure their accuracy. The mean value from three grip strength recordings should be used as suggested by the...
If you have an empty bag, continuing this pattern would mean the probability of never drawing the same ball more than once is 0!/0^0. But since you have no balls to extract in the first place, the probability of never drawing any ball more than once is clearly 100%! Which means 0!
[转]What If..[What if]第4期——1摩尔的鼹鼠原作: http://what-if.xkcd.com/4/翻译:Ent如果收集一摩尔的鼹鼠,全部放在一个地方,会发生什么呢(#英文里摩尔和鼹鼠都是mole这个
, where he’s putting a certain amount of force, Force is Mass X Acceleration, which is measured in Newtons. So, you have 700 Newtons, and he moves it two meters. So, 700 times two would be 1400 Joules. Joules are actually meters in Newtons anyway, not to get into all the Science...