A normal human heart, beating about once per second, creates a maximum 4.00 mV potential across 0.400 m of a person's chest, producing a 1.00 Hz electromagnetic wave. What is the maximum electric field strength produced

What is the speed of an object at a given moment?

Which situation will produce the greatest change of momentum

Consider an ideal gas at 27.0 degrees celsius and 1.00 atmosphere pressure. imagine the molecules to be uniformly spaced, with each molecule at the center of a small cube. what is the length l of an edge of each small cube if adjacent cubes touch but don't overlap?