Q

An object is dropped from rest. What is its velocity after 15 s? Take g = 9.8 m/s².

RRB JE (Stage-II) 22/04/2025 / Shift II 2025
✓ Answer: C 147 m/s
v = u + gt = 0 + 9.8 × 15 = 147 m/s downward, neglecting air resistance.
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