How much force is needed to accelerate an object of mass 90 kg at a rate of 1.3 m/s

a lot, like a lo dde

Explanation:

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.