Question

Please help me with this algebra 2 , its the very last question on the picture

Answer 1

150

Explanation:

t = sqrt((4π^2mr)/F)

Plug in the given values.

12 = sqrt((4(3.14^2)(84.4)(6.5))/F)

Solve for F.

12 = sqrt(21635.90624/F)

144 = 21635.90624/F

F = 150.249