Question

An aeroplane flying horizontally with a speed of 360 km h^–1 releases a bomb at a height of 490 m from the ground. When will the bomb strike the ground?

• A. 8 s
• B. 6 s
• C. 7 s
• D. 10 s

Answer 1

Answer: (D)

10 s

Answer 2

t = $\sqrt{\frac{2H}{g}}$