Answer:40 seconds for what
Step-by-step explanation:
Answer:
-30
Step-by-step explanation:
I used a calculator
Answer:
2 seconds
Step-by-step explanation:
When the ball hits the ground, its height (h) will be 0. You can therefore set up the following equation:

Factor:

Since the time must be positive, it hits the ground after 2 seconds. Hope this helps!
Answer: 25868
Find area of circle, then add to are of rectangle