The formula for Coulomb’s law is Fe = (K x q1 x q2) / d2. What is the electrostatic force between pebble 1 with .004 C and pebble 2 with .0023 C? They are 0.00035 meters apart. What is the value of K?

What is the increase in density of a medium due to wave travel?

Ahockey player of mass 82 kg is traveling north with a velocity of 4.1 meters per second he collides with the 76 kg player traveling east at 3.4 meters per second if the two players locked together momentarily in what direction will they be going immediately after the collision how fast will they be moving

Which change would make the diagram correct?