Consider a car making a turn on a horizontal road (not banked). Which one of the following factors would have the largest impact on whether or not the car was able to make the turn?

a) the mass of the car
b) how fast the car was traveling
c) the radius of the turn)

Need asap ‼️ 20 pts which gravitational force field diagram is drawn correctly? (answers in pictures below)

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?

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=