For this case we have the following kinematic equation that models the problem:
h (t) = (1/2) * (- 9.8) * t ^ 2 + 12 * t + 2
Rewriting we have:
h (t) = -4.9 * t ^ 2 + 12 * t + 2
When the ball hits the ground we have:
-4.9 * t ^ 2 + 12 * t + 2 = 0
Solving the polynomial we have:
t1 = -0.16
t2 = 2.61
We ignore the negative root because it is time.
Answer: It will take the ball to hit the ground about:
t = 2.61 sec
Answer:
c =
Step-by-step explanation:
Given
M + 3c = 8 ( subtract M from both sides )
3c = 8 - M ( divide both sides by 3 )
c =
I = Prt
Substitute the given values and do the arithmetic.
I = 520*0.127*1
I = 66.04
The interest earned is 66.04.
-3d=-27
The answer is d = 9
Divide -27/9 = -3.
I don’t know if i’m right or wrong but i calculate the answer & go 0.05