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
Verified Correct Answer: D.
Physical Principles & Numerical Solution
t = \(\sqrt{\frac{2s}{g}} = \sqrt{\frac{2 \times 25}{10}} = 2.24\)
Source: Myschool Past Questions Archive (Record #33977)