Q. A ball is thrown vertically upward with a speed of 20 m/s. The maximum height reached is (g = 10 m/s²):
β
Correct Answer: (B)
20 m
Explanation: Using v² = u² - 2gh, at maximum height v = 0. Therefore, h = u²/2g = 20²/(2×10) = 20 m.
Explanation by: Jyoti
Using v² = u² - 2gh, at maximum height v = 0. Therefore, h = u²/2g = 20²/(2×10) = 20 m.