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7. Rashmila carried 20 kg of maize from her house to the watermill that is 2 km away from her house. What is the work done by her? If she consumed 1 hour to complete the work, what is her power?

Sagot :

GinnyAnsweridn

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


Learn more about Work, Power, Force, Distance, Physics here:

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