Determine the couple generated by the motor rotating a disk when the regular operating speed of 15 rev/min is achieved in a single revolution. The disk has a radius of 4 cm and a mass of 10 kg.

so easy. just google the electromagnetic waves and it’ll pop up.

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.

answerdmitry mendeleyev made a workable classification of the elements