A Ball Thrown Upwards Reaches a Maximum Height and Then

question 104

Short Answer

A ball thrown upwards reaches a maximum height and then comes back down to the original level. 
As the ball is going upwards, the velocity points __________ and the acceleration points __________.

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Definitions:

Acid

A substance that releases hydrogen ions when dissolved in water, typically having a pH less than 7 and capable of turning blue litmus paper red.

Alkali

A base that dissolves in water, typically found among the group 1 elements of the periodic table, such as sodium and potassium, which form strongly basic hydroxides.

Ion

A charged atom.

Electron

One of the three major parts of an atom. The electron carries a negative charge.