If a 3cm wide galavasied steel bar is heated with a bunsen burner at one end then when the temperature of the bar 7cm from the flame is measured, using a intrared thermometer at 15 seconds intervals, the temperature will increase overtime because of the particle theory model of heat enregy transfer. What is the independent, dependent and controlled variable in this

What determines the amount of inertia an object has

Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=

Acar is traveling 35 mph on a smooth surface . if a balanced force is applied to the car what happens?