2013年1月4日 · In the units you listed, kg / s 2, it is not intuitive, but that unit is equivalent to N / m, which is force per length. So a spring with a k-value of 1 N/m requires one Newton to compress (or extend, depending on the spring) it by one meter.

2022年5月2日 · And the mass times the acceleration is equal to the force needed. So the dimensions of force are kg*m/s 2. What's more, kinetic energy takes the form of kgv 2 or kg(m/s) 2 and the energy consumed is equal to the force over a distance so (kg*m/s 2) *m which is equal to the dimensions of kinetic energy.

2014年10月26日 · Starting from f=ma, the units are [N] = [kg] [m] / [s 2]. So [N] / [kg] = ( [kg] / [kg] ) * [m] / [s 2] = [m] / [s 2] You can treat units with multiplication, but addition gets strange [m] + [s] cannot combine any further, distributive law still holds. Get familiar with unit analysis, no matter what science or engineering you get into.

2021年6月9日 · Yup, good deal. Pairs of the smaller KGs sell for more sometimes around me. I think the 3.5 is the sweet spot in the KG lineup personally, but those tend to sell for a few hundred bucks, so, comparatively, $30 for 2.2's is still a great deal for solid classic Klipsch speakers.

2020年5月26日 · i have a nice budget 2.1 audio set up in my office with my computer with some new audioengie speakers/dac/woofer, but it would be nice to have something in the living room for listening to music and watching TV.

So that would be 30 million / 200,000 = $150 per kg. What do you know, an order of magnitude lower than the cost per kg of the falcon 9, which is what Elon has stated is the plan. Thus, those numbers for flacon 9 and Starship are much more plausible that the numbers in the OP chart. As for New Glen, Payload 45,000 kg, 7 x BE-4 Engines.

2023年9月6日 · J = kg c 2. No, 1 J = 1 kg m 2 /s 2. The speed of light is faster than 1 m/s so 1 kg corresponds to far more than 1 J. You can avoid conversion errors by only ever multiplying your values by 1. As an example, 0.511 MeV/c 2 = 0.511 MeV/c 2 * 10 6 eV/MeV = 511,000 eV/c 2 because 10 6 eV/MeV = 1 so multiplying by it cannot change the value.

2021年6月2日 · There are 9 weeks in July and August. So start a week before that to make it 10 weeks and aim for 1 kg/week. Aim to eat exactly 1500 kcal/day as that is the recommended minimum for males/taller females. r/1500isplenty for inspiration. That gets you to ~850 kcal/day deficit from the 1100 you need to achieve to lose 1 kg/week.

Because a Newton is mass x acceleration, kg x ms-2. Add the extra m in for the joule definition, and you get kg•m 2 •s-2. I get the sneaking suspicion you may be slightly unaware of how exponentials work. You can't simplify x-2 •y-2 to xy-1

2020年4月3日 · Roughly 1 KG/mm is equal to 55.997 LBS/in. Easy way to remember is 1 KG/mm = 56 LBS/in.