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P0 m and 2 are constant. Hence, v ∝ √t.

1. P0 m and 2 are constant
2. v ∝ √t
3. Power = F.V = pghΔV
4. P = ρgh × 5 × 10⁻³/60

Correct answer: v ∝ √t

Solution

The question suggests a direct proportionality relationship between velocity (v) and the square root of time (t), which matches option B. The other options do not directly relate to the given statement.

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