- A particle moving along the x axis has a position given by x = (24t – 2.0t 3) m, where t is measured
in s. What is the magnitude of the acceleration of the particle at the instant when its velocity is zero?

d. air pressure decreases as altitude increases.

causes

fossil fuels burn

cities become more industrialized

human population grows worldwide

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.