The balls shown have different masses and speeds. Rank the following from greatest to least:
a. The momenta
b. The impulses needed to stop the balls
9.0 m/s 8.5 m/s 12.0 m/s 2.0 m/s
1.0 kg 1.2 kg 0.8 kg 5.0 kg

d. platinum would have the greatest temperature increase because it has the lowest specific heat.

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.