Technician A says that it is normal to find a little brake fluid behind the dust boot when you pull the dust boot from the wheel cylinder during a brake inspection. Technician B says that if there is any brake fluid behind the dust boot, the wheel cylinder is starting to leak and should be replaced. Who is correct

Atriangle with equal sides of length 10 cm has -2.5-nc charged objects at each corner. part a determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. horizontally rightward vertically downward vertically upward horizontally leftward