Question

need help in math

Answer 1

Need help with which question

Answer 2

all of them

Answer 3

I'll help you with the 1st one. I only answer each question at a time

Answer 4

ok

Answer 5

D = 16t^2
We have D= 168 ft
We want to find t
168 = 16t^2
Divide both sides by 16
10.5 = t^2
Apply sqrt to both sides
3.24 = t

Answer 6

so 3.2 is the answer

Answer 7

Yes

Answer 8

The ping-pong ball is probably filled with metal to accelerate at g! lol

Answer 9

@newarf: Please, post just one question at a time, and try to make your images larger. The problems you've listed are barely legible in the image you've posted.

Answer 10

Please also show your own work before asking for feedback.