elizabethgregor69 elizabethgregor69

01-06-2019
Mathematics

contestada

f(t)=-16t^2+144t. After how many seconds does the toy rocket hit the ground?

Respuesta :

Katelyn3152 Katelyn3152

01-06-2019

9 seconds
F(t)=0
0= -16t^2+144t
Than solve for “t”
t=0 or t=9
And 0 seconds doesn’t make sense so it is 9 seconds

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