List the properties of stars. А
larger star has
two propenties?
A larger
star has more of what

Two identical small charged spheres are a certain distance apart, and each one initially experiences an electrostatic force of magnitude f due to the other. with time, charge gradually leaks off of both spheres. when each of the spheres has lost half its initial charge, the magnitude of the electrostatic force will be

In science and physics what is the standard unit of measure for speed?

Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.