Final answer:
Rashmila did 392,000 Joules of work carrying the maize 2km. Her power output was 109.44 Watts.
Explanation:
Work done by Rashmila:
Work = Force x Distance
Weight = 20kg x 9.8 m/s² = 196 N
Work = Force x Distance = 196 N x 2000 m = 392,000 J (Joules)
Power:
Power = Work done / Time taken
Power = 392,000 J / 3600 s = 109.44 Watts
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