Question

A stone is dropped from a height of 45 m. What is the time taken for the stone to reach the ground?

• A. 3 s
• B. 5 s
• C. 6 s
• D. 9 s

Hint:

Remember: The equation \( s = \frac{1}{2} g t^2 \) is useful for calculating the time of fall under gravity, starting from rest.