A charge of 4.5x10^-5 is placed in an electric field with a strength of 2.0x10^4 N/C. What is the electric force acting on the charge

A12-kg bag of groceries is tossed onto a table at 4.0 m/s and slides to a stop in 2.2 s . modify the equation fδt=δ (mv) to find the force of friction.

The average density of the planet uranus is 1.27 103 kg/m3. the ratio of the mass of neptune to that of uranus is 1.19. the ratio of the radius of neptune to that of uranus is 0.969. find the average density of neptune.

The radius of an atom is closest in size to a