An object of mass m = 5 kg at a height of 60 m, falls with an initial velocity of 1 m/s under the force of gravity and is subject to air drag k = 0.5. Find the height at time t and determine the velocity at impact with...
Answer to: An object has a mass of 16.3 grams and occupies a constant volume of 85.2 mL at standard conditions. Calculate the density of the object...
B.Vehicles become more eco-friendly. C.It has no environmental impact at all. D.Vehicles no longer need to be recharged. 30.According to paragraph 5, which of the following can be a feature of regenerative braking? A.Auton...
2022年新高考I卷 The Chinese government recently finalized a plan to set up a Giant Panda National Park(GPNP).___56___(cover)an area about three times___57___size of Yellowstone National Park, the GPNP will be one of the fir...
根据后半句which is more than “a mass of cells that communicate by electricity(动物大脑不只是“通过电进行交流的大量细胞”)可知,动物大脑更复杂,动物大脑和植物智力间更多的是相异,所以,前半句的相似(similar)是并不充分的。C项superficially(表面上地)代入后符合原文语义。所以,本题答案为C项。 干扰项:A...
An Author Correction to this article was published on 18 October 2023This article has been updatedAbstract In July 2012, the ATLAS and CMS collaborations at the CERN Large Hadron Collider announced the observation of a Higgs boson at a mass of around 125 gigaelectronvolts. Ten years later, ...
display of drones(无人机), 3D printers, virtual reality goggles(眼镜) and more "smart" devices than you could ever hope to catalog. Upon reflection, however, it is equally easy to feel like you have seen it all before. And it is hard not to think: Are we in an innovation lull(间歇...
the diffusion of social media and other online platforms has expanded the potential of mass persuasion by enabling personalization or ‘microtargeting’—the tailoring of messages to an individual or a group to enhance their persuasiveness11,12. The efficacy of microtargeting has been questioned becaus...
You might be a bit more limited on memory capacity and grid resolution, but you should be good to go. I've tested FluidX3D on very old and inexpensive hardware and even on my Samsung S9+ smartphone, and it runs just fine, although admittedly a bit slower. I don't have an expensive ...
An article in Scientific America has pointed out that empirical research says that, actually, you think you're more beautiful than you are. We have a deep-seated need to feel good about ourselves and we naturally employ a number of self-enhancing strategies to research into what the call the...