What is the difference between washing of clothes at home and washing by dry cleaning at laundry

A2000 kg car is rounding a curve of radius 200 m on a level road. the maximum frictional force the road can exert on the tires of the car is 4000 n. what is the highest speed at which the car can round the curve?

Sodium chloride, nacl, is formed when a sodium atom transfers its electron to a chlorine atom. the difference in charge between the two atoms creates a(n) attraction that bonds them together.

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?