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Per NCERT, if a ball is dropped from rest and falls for 2 s (g = 10 m/s²), how far has it fallen?
A10 m
B40 m
C5 m
D20 m (using y = ½gt² with t = 2)
Answer & Solution
Correct answer: D. 20 m (using y = ½gt² with t = 2)
Per NCERT, y = ½ × 10 × 4 = 20 m.
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