Question

calculate the work done when a student weighing 400N carries a weight of 200N from the ground to a height of 15m​

Answer 1

Answer: 88200 joules

Explanation:

WORKDONE=TOTAL MASS × g × HEIGHT

                     =(400+200) × 9.8 ×15

                     =88200 joules.

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Answer 2

Answer:

9000joule

Explanation:

W=f.s

(200+400)*15

600*15

9000 joule