defence exam Army Havildar SAC Mock Test Series 2025 Physics Work Power and Energy Power

A girl of mass 40 kg climbs 50 stairs of average height 20 cm each in 50 s. Find the power of the girl. (g = 10 \(m\ s^{-2}\))

1

50 W

2

50 × 20 W

3

80 W

4

50 × 2 W

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