Thirty 6kg Boxes Lifted Onto A Shelf 1.5m High .Calculate The Workdone
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Answer:
The acidic substance has the tendency to produce H+ ion when dissolved in water. Both phenol and ethanol weak acid. However, the acidity of phenol is more than that of ethanol. This is because after losing a proton, the phenoxide ion undergoes resonance & gets stabilized whereas ethoxide ion does not.
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2
Answer:
2,646 J
Explanation:
It is work against gravity so
W=mgh
- M=30×6=180kg
- 180kg×9.8m/s²×1.5m=2,646J
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