Calculate the final velocity of a 12Kg object falling 20 m.

19.80 m/s

Explanation

you just multiply the acceleration of gravity by the amount of time since it was let go of. So you get: velocity = 19. 80 m/s^2 * time, or V = gt. The negative sign just means that the object is moving downwards.

32: from largest to smallest, this hierarchy includes eons, eras, periods, epochs, and ages.

33: answer is c

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