How does the electrical force relate to the distance between two charged objects

Positronium is an atom composed of an electron and a positron (mp = me, Q = + e). Calculate the distance between the particles and the energy of the lowest energy state of positronium.

What is the definition of ecosystem?

List the types of evidence used to classify organisms

Find the work w1 done on the block by the force of magnitude f1 = 95.0 n as the block moves from xi = - 5.00 cm to xf = 4.00 cm.

Quick Physics Questions! Will give medal! Which of these is the best example of an elastic collision? A rubber ball is dropped from 1.2 m and bounces back up to a height of 0.8 m.

What will not affect strength of a electromagnet?

What profession is most likely to make use of amperes and candelas a. nurse b. marine biolaginst c. eletrical engeneer d. althletic coach

The peak electric field in an intense IR laser beam is about 25,000 V/m. How much energy does this laser beam deliver in 1 minute if it makes a spot with a diameter of 2mm?

Why are infrared telescopes useful for exploring the structure of the galaxy? why is it important to make observations at both near-infrared and far-infrared wavelengths?

According to the big bang theory, after the "bang," the universe remained dark until