Dylan has two cubes of iron. the larger cube has twice the mass of the smaller cube. he measures the smaller cube. its mass is 20 grams, and its density is 7.87 g/cm3. what’s the larger cube’s volume?
the larger cube’s volume is about
cm3.

Why is it important always to use horizontal bars in unit fractions when performing unit conversions?

Write a full page that sumerizes thermodynamics it’s from the website visionlearnig

The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 × 1013 rad/s. the mass of a nickel atom is 9.75 × 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 × 10-34 j • s, , 1 ev = 1.60 × 10-19 j)