A 2000kg car is sitting at rest in a parking lot. A bike and rider with a total mass of 60kg are travelling along a road at 10km/h. Which system has more inertia and why?

e/c, where e is its total energy

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.