I When the charge on one object is increased
(either positive or negative), what happens to
the forces on both objects?

Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?

When you see distant streetlights through smog, they look dimmer and redder than they do normally. but when you see the same streetlights through fog or falling snow, they look dimmer but not redder. use your knowledge of the interstellar medium to discuss the relative sizes of the particles in smog, fog, and snowstorms compared to the wavelength of light.

Give an example of how both short term and long term memory are involved. explain procedural, semantic ,and episodic memory and then how each is involved in this