WAEC - Physics (2002 - No. 9)
An object is released from rest at a height of 25m. Calculate the time it takes to fall to the ground. [g = 10ms-2]
25.00s
10.00s
2.50s
2.24s
Wyjaśnienie
t = \(\sqrt{\frac{2s}{g}} = \sqrt{\frac{2 \times 25}{10}} = 2.24\)