Q

A ball of mass 0.5 kg is thrown vertically upward and reaches 20 m. What is its initial speed? Take g = 10 m/s².

RRB ALP (Stage-I) 28/11/2024 / Shift I 2024
✓ Answer: A 20 m/s
u = √(2gh) = √400 = 20 m/s.
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