Solved UPSC CDS/OTA Question
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Q · Motion in a Straight lineMedium · 45s
A ball dropped from a height hits the ground in 2 s. Take g = 10 m/s². What is the height?
TopicMotion in a Straight line
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained - no skipped algebra.
h = (1/2)gt² = 0.5 × 10 × (2)² = 20 m.
Final Answer: Option C - 40 m