Find the acceleration of a 20.0 kg curling stone if the applied force is 87.7 N, west and the force of friction is 28.73 N.

the answer is to check all of them! they all apply well at least i think so!

photocells convert light energy to electricity

a displacement distance is size of displ

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.