Neutron star and black hole masses in binary systems are calculable using Kepler's laws of motion, based on orbital parameters and object speeds. Merging neutron stars or black holes emit ...

Body Mass Index is a measure of body weight to the square of your height. A higher BMI indicates higher and unhealthy body fat, which may lead to various health problems. To determine your BMI, a ...

work out how many atoms of each element are in the chemical formula add together the A r values for all the atoms of each element ...

The relative atomic masses of elements are proportional measures. For example, the Ar for helium is 4.0, and the A r for carbon is 12.0. This means that carbon atoms have three times the mass of ...

It’s hard to accurately measure muscle mass as it depends on various factors. Though the data is limited, research does provide some insight. Your body mass is made up of two components: body fat and ...

How do we know the mass of a planet originally appeared on Quora - the knowledge sharing network where compelling questions are answered by people with unique insights. Answer by Geoffrey Widdison on ...