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