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Asked by
| 20th Mar, 2013,
02:29: PM
Expert Answer:
If we draw the displacement of the boy, it is effectively in a straight line of (20 + 10 +20) m
Since work depends on the displacement not the distance thus the work done by the boy is:
8 x 50 = 400 J
If we draw the displacement of the boy, it is effectively in a straight line of (20 + 10 +20) m
Since work depends on the displacement not the distance thus the work done by the boy is:
8 x 50 = 400 J
Answered by
| 22nd Mar, 2013,
09:35: AM
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