6. What is the mass of a van if it is accelerating gat a rate of 7 m/s and hits a parked car with a force of 14,000 newtons?

1 the 4 is sig

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.