4. A car brakes from 32 m/s to 16 m/s in 2.0 s. What is its acceleration? Assume that the forward direction is positive.

i think the answer is a, hope this : )

the best answer for these questions would be:

1.            c. is smaller

2.            d) concrete operational

3.            b) interaction with the environment – the children interact with their environment can them learn more.

4.            a) parents who reason openly with children can limit a child’s cognitive ability.