Question: I need help with both questions. For the first question, I used the kinematic equation to solve for the measurements, but they were wrong and

I need help with both questions. For the first question, I used the kinematic equation to solve for the measurements, but they were wrong and I used the quadratic equation to solve for the second part. I'm not sure what to do next.

(a) Calculate the height (in m) of a cliff if it takes 2.34 s for a rock to hit the ground when it is thrown straight up from the cliff with an initial velocity of 8.14 m/s. (Enter a number.) 7.53 X m (b) How long (in s) would it take to reach the ground if it is thrown straight down with the same speed? (Enter a number.) 0.661 X s

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