The following is a graph showing the displacements and times for the winner of a horse race. what was the average speed of the horse that won the race?
a.
0.05 m/s
b.
20 m/s
c.
45 m/s
d.
285 m/s

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