Physics
WAEC 2002
An object is released from rest at a height of 25m. Calculate the time it takes to fall to the ground. [g = 10ms
-2]
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A.
25.00s
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B.
10.00s
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C.
2.50s
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D.
2.24s
Correct Answer: Option D
Explanation
t = \(\sqrt{\frac{2s}{g}} = \sqrt{\frac{2 \times 25}{10}} = 2.24\)
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