10) A student walks 1.0 kilometer due cast east and 9.0 kilometer due south. Then she runs 13.0 kilometers due west. The magnitude of the student's resultant displacement is. a)15 km b)5.0 km
c) 6.0 km
d) 9.0 km

a electromagnetic waves

where is the photo and the answer choices?

find the sum of the two horizontal vectors and the sum of the two vertical vectors

isoceles right angled triangle

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.