A box rest on the floor of an elevator. Because of static friction, a force is required to start the box sliding across the floor when the elevator is (a) stationary (b)accelerating upwards, and (c) accelerating downward. Rank the forces required in these three situations from smallest to largest. ​

the answer is b i think

the answer is neither ball has a charge.

because if they were both positively charged, they will repel each other.

if they were positively and negatively charged, they will seek.

according to jean piaget, in what stage of cognitive development are children able to understand conservation task?

b. preoperational

just took it