A boat travels at 2.0ms-east towards a port, 2.2km away. When the boat reaches the port, the passengers travel in a car due north for 15 minutes at 60 kmh 1 Calculate:
a the total distance travelled
b the total displacement
c the total time taken
d the average speed in ms- 1
e the magnitude of the average velocity.​

since you're a real machine, your ama is always less than your ima, because you can never totally eliminate friction.

you can cut your hand off if your not

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.