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.
An=Asub1(r)n-¹
=5(-2)7-¹
=5(64)
A7=320
Answer:
(1/2)z
Step-by-step explanation:
42%. It is opposite angles to the angel that says 42