Answer:
A. 3s
Step-by-step explanation:
The height of the object after t seconds is given by:

When will the object hit the ground?
It hits the ground after t seconds, and t is found when
. So







3 seconds, so the correct answer is given by option a.
Answer: 16
You divide 8 by 1/2 and you get 16 pieces
18 high resolution photos
36 low resolution photos