If a car increases its velocity from zero to 60 m/s in 10 seconds, its acceleration is a. 600 m/s2 b. 60 m/s2 c. 3 m/s2 d. 6 m/s2

D. 6 m/s²

Explanation:

Acceleration is change in velocity over time.

a = Δv / Δt

a = (60 m/s − 0 m/s) / 10 s

a = 6 m/s²

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.

3. dark matter

empty space could also be a simple vacuum