1. Which of the following sentences best matches the meaning of the equation d = x; – x;? a. The final position is the initial position minus the displacement.
b. The initial position is the final position plus the displacement.
C. The displacement is the initial position minus the final position.
d. The displacement is the final position minus the initial position.

Two horses begin at rest. after a few seconds, horse a is traveling with a velocity of 10 m/s west, while horse b is traveling with a velocity of 13 m/s west. which horse had a greater acceleration? a. horse a because its change in velocity was greater than horse b's in the same time. b. horse b because its change in velocity was greater than horse a's in the same time. c. horse b because its change in velocity was the same as horse a's, but it took less time. d. both horses had the same acceleration.