A ball is thrown vertically upward with an initial velocity of 20 meters per second. What is the maximum height reached by the ball? Assume acceleration due to gravity is 10 meters per second squared.

B. 20 m — At maximum height, the final velocity is 0. Using the formula v squared equals u squared minus 2gh, we get 0 equals 400 minus 20h, resulting in h equals 20 meters.

JEE Advanced · PhysicsEasy

$A ball is thrown vertically upward with an initial velocity of u = 20 m/s . What is the maximum height reached by the ball? Assume g = 10 m/s^{2} .$

A. $10 m$
B. $20 m$
C. $30 m$
D. $40 m$

Show correct answer & step-by-step solution

Correct answer: B — $20 m$

Solution

At maximum height, v = 0 . Using v^{2} = u^{2} - 2 g h, we get 0 = (20)^{2} - 2 (10) h . Solving for h gives h = 400/20 = 20 m .

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A ball is thrown vertically upward with an initial velocity of u=20 m/s. What is the maximum height reached by the ball? Assume g=10 m/s2.

Solution

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More Kinematics practice questions

$A ball is thrown vertically upward with an initial velocity of u = 20 m/s . What is the maximum height reached by the ball? Assume g = 10 m/s^{2} .$