Tot The following report for a collision of two marbles has an error. "Marble 1 has a mass of 12 g, an initial speed of 0.84 m/s left, and a final speed of 0.21 m/s right. Marble 2 has a mass of 23 9, an initial speed of 0.42 m/s right, and a final speed of 0.31 m/s left. What change to the report's data would give a correct verification of momentum conservation?

found in the nucleus

has mass of one amu

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.