A particle moves along the x-axis according to the function x=7.0t 3 ,where x is in meters and tin seconds. 1.1 Calculate the average velocity for the time interval t=0s to t=3s.
1.2 Calculate the instantaneous acceleration for t=2s and t=4.00s.

i really dont know but i will try okay.

so i think u would just add all them up and get your 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.