A tennis ball with the speed of 23.6 m/s is moving perpendicular to a wall. After striking the wall, the ball rebounds in the opposite direction with a speed of 14.042 m/s. If the ball is in contact with the wall for 0.0138 s, what is the average acceleration of the ball while it is in contact with the wall? Take “toward the wall” to be the positive direction.
Answer in units of m/s^2

c.is a substance that requires a small amount of energy per gram to raise its temperature; has strong cohesive forces between molecules.

explanation:

a colorless, transparent, odorless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms.

explanation:

as the height from which the ruler was dropped increased, the speed of the ruler at ryan's hand increased.

co2reflects heat radiation back to earth buning coal and oil emits co2 globe warms

i think the answer is a, hope this : )