Solid argon has a density of 1650 kg/m3 . The atomic weight of argon is 40.0 . Assuming each atom occupies a cubical volume, what is the distance between the argon atoms?


3.43 × 10^?10 m

Physics & Space Science

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Find the equation that fits the following data.



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Physics & Space Science

The column of Trajan, erected in Rome in 106-113 A.D., is 125 feet tall. What is its height in centimeters?

A) 1,510 cm B) 591 cm C) 2,520 cm D) 3,810 cm E) 38,100 cm

Physics & Space Science

Which statement concerning black hole masses and Schwarzschild radii is not true?

A) In a binary system with a black hole, the Schwarzschild radius depends on the distance from the black hole to the companion star. B) For black holes produced in massive star supernovae, Schwarzschild radii are typically a few to a few tens of kilometers. C) The more massive the black hole, the larger the Schwarzschild radius. D) Even an object as small as you could become a black hole if there were some way to compress you to a size smaller than your Schwarzschild radius.

Physics & Space Science

Which of the following represents one of the major splits in physical science before and after about 1895?

The loss of the feeling that everything in nature could be understood through reasoning with the introduction of quantum mechanics after about 1895. With the explanation of blackbody radiation in 1887, after 1895 the world worked towards modeling quantum mechanics. The ether was found to exist and was generally accepted after about 1895 as the electromagnetic medium. Both matter and light appeared to be best modeled by a wave rather than a particle after about 1895.

Physics & Space Science