Answer:
This is solved
Step-by-step explanation:
Hope this helps
Answer:
after 21 seconds
Step-by-step explanation:
Given
h = - 16t² + 272t + 1344
When the ball strikes the ground then h = 0, that is
- 16t² + 272t + 1344 = 0 ( divide through by - 16 )
t² - 17t - 84 = 0 ← in standard form
(t - 21)(t + 4) = 0 ← in factored form
Equate each factor to zero and solve for t
t - 21 = 0 ⇒ t = 21
t + 4 = 0 ⇒ t = - 4
However t > 0 thus t = 21
The ball strikes the ground after 21 seconds.
Answer:
I would say 3cm
Step-by-step explanation:
sorry if it's wrong but I sure it's right
Answer:
ask the goggle not 1 you help in thi aap bro your aand me same thing make sorry
Ok, i really don't remember this, so i don't want to steer you wrong. maybe wait for another answer?