Two identical objects a and b fall from rest from different heights to the ground. if object b takes twice as long as a to reach the ground, what is the ratio of the heights (a: b) from which the two objects fell? neglect air resistance.

An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?

How many atoms of nitrogen are in the chemical formula ni(w on