Se suspende un cuerpo de un dinamómetro y éste indica que su peso es 4 N. A continuación se introduce el cuerpo (aún suspendido del dinamómetro) en agua y el nuevo registro del dinamómetro indica 3,4 N

the word that best describes martin luther king jr.'s tone in the video is dignified

martin luther king, jr. was a social activist and baptist minister who played a key role in the american civil rights movement from the mid-1950s until his assassination in 1968. the video shows his manner and attitude having or showing a composed or serious manner that is worthy of respect so dignified is the correct answer

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.

the answer is c. the lower legs are levers, and the knees are fulcrums. the ankles hold the loads.