If the distance between two objects decrease and the masses of the objects remain the same, then the force of gravity between the two objects A) decreases B) increases. 6 remains the same. D) increases then decreases. As a roller coaster goes downhill​

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.