Respuesta :

Answer:

~1.93 seconds

Step-by-step explanation:

Set hight to 0:

0 = -16t^2 + 4t + 52

Rearrange:

16t^2 - 4t - 52

Solve using the quadratic formula: (Only use the positive result)

t = (1 + √209)/8

t ≈ 1.9321

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