A car goes from rest to 40m/s in 5 seconds.
What is its acceleration?

acceleration is 8 m/s^2

Explanation:

a= final velocity -initial velocity/time taken

explanation:

could i give you a exaplo that could you?

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.