Solve
-When an Object Is Dropped to the Ground from a Height

question 242

Multiple Choice

Solve.
-When an object is dropped to the ground from a height of $h$ meters, the time it takes for the object to reach the ground is given by the equation $t = \sqrt { \frac { \mathrm { h } } { 4.9 } }$ , where $t$ is measured in seconds. If an object hits the ground after falling for 5 seconds, find the height from which the object was dropped.

• A) \(24.5 \mathrm {~m}\)
• B) \(1225 \mathrm {~m}\)
• C) \(245 \mathrm {~m}\)
• D) \(122.5 \mathrm {~m}\)

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