Question

@ikatouni @ipwbunnies

Samuel hit the baseball from 2 feet off the ground at an initial vertical velocity of 30 feet per second. How long will it take the ball to hit the ground?

A. Write the formula.
B. Solve the problem.
C. State your answer. Round your answer to the nearest hundredth of a second.

Answer 1

@aajugdar

Answer 2

umm
the equation for height is h= -16t^2+vt+s

Answer 3

v is velocity
s is initial height

Answer 4

now when ball hits the ground height is 0

Answer 5

so the equation will be -16t^2+30t+2 = 0

Answer 6

from this you can find time

Answer 7

now divide this equation by -2

Answer 8

you get 8t^2-15t-1=0

Answer 9

So it would take 0 seconds?

Answer 10

no no

Answer 11

you have to find T here
do you remember yesterday's formula

Answer 12

wait so I have to factor it, then I get my answer?

Answer 13

yes but here you have to use
\[-b \pm \sqrt{b^2-4c}/2a\]

Answer 14

Quadratic formula

Answer 15

yes

Answer 16

so find t ,that will be ur answer