La expresión, x(t) = (4t-2)i corresponde a la posición en función de el tiempo de un automóvil que se mueve en linea recta, hallar la velocidad y la aceleración en función del tiempo y explicar a que tipo de movimiento corresponde

because if the tool that you are using is not balanced it there would be false mass.

at right angles to each other

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.