. A negative point charge is creating an electric field of 50 000 N/C at some point P. How far away should another negative charge of be placed to create a net electric field equal to zero at point P?

A50.0-n box is sliding on a rough horizontal floor, and the only horizontal force acting on it is friction. you observe that at one instant the box is sliding to the right at and that it stops in 2.25 s with uniform acceleration. what magnitude force does friction exert on this box

Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?

Simple machines can a. increase force only b. decrease force only c. increase or decrease force