The star’s diameter is so great—around 30 million miles—that according to Nine Planets, it could fit over 4 billion suns within it. What makes R136a1 really amazing, however, is the fact that it is an incredible 9 million times as luminous as our star, radiating more energy in ...
A copper ball with a radius of 1.6 cm is heated until its diameter has increased by 0.18 mm . Assuming an initial temperature of 23 C, find the final temperature of the ball. Express your answer usi A copper ball with a radius o...
Meanwhile, Joe Biden is proposing a plan to do what he and Barack Obama spent 8 years doing when they were in the White House. Which is save the economy and get America back to work which is something Trump can’t quite figure out right now. Biden’s plan is one that Wharton Business...
I asked each shooter what bullet and muzzle velocity they were running, and did some analysis on that. Here is the typical muzzle velocity the shooters were running in the top 6mm cartridges. (Note: Most these guys run a 26″ barrel.) One last interesting point is that I asked each shoo...
At what common temperature will a block of wood and a block of metal feel neither hot nor cold to the touch? Thermal equilibrium: Thermal equilibrium is defined as the state when all the substances or objects inside a system are at the same temperatu...
记得有一次周末很晚从LX家出来,A发来短信问我所在,我回说让她猜,她说,是在LX家吧?我奇道你如何猜到?她这样回答: Your life is organized like an orbit. I know. 了解了这点,就知道为何四年于相隔千里的我们,似乎只是弹指一挥间而已。 我其实了解小女儿的心理,是希望多一点surprise多一点romantic多一点傻...
can see from the photo not only are the lengths and cartridge profiles very different, the two bullets are also of slightly different diameters. The .38 Special has a .357-inch diameter bullet, and the .380 ACP has a .355-inch diameter bullet. Neither one is .38 in diameter… Go ...
The impact produced a semi-inverted conical crater with an apparent diameter of 14.5 m and a depth of 1.7 m, from the original surface. The crater was located at 7.90° N and 313.30° E of the equatorial region on the surface of Ryugu and the touchdown maneuver was completed on 11 July...