If a proton and electron were 0.40nm apart, predict what the force of attraction might be

Which of the following statements is true about planck’s law

The biosphere of the earth is made up of what compound? organic or inorganic?

If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied