12. A conducting 41.0 cm long rod makes contact with two metal rails which are fixed. There is a uniform magnetic field of 14.0 T that is directed out of the page as shown in the figure. What is the magnitude of the induced emf and the
direction of the induced current when the rod is moving at a speed of 3.15 m/s?

2b2t

explanation:

2b2t

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.

helium

oxygen

neon

sodium