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spayn [35]
3 years ago
9

The efficiency of a machine cannot be 100 percentageJustify this statment​

Chemistry
1 answer:
andre [41]3 years ago
3 0

Answer:

A machine cannot be 100 percent efficient because output of a machine is always less than input. A certain amount of work done on a machine is lost to overcome friction and to lift some moving parts of the machine.

Explanation:

hope it help you

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If an object has a density of 0.55 g/mL, what is its density in cg/L?
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I will first convert from g to cg (multiply by 100), then from mL to L (multiply by 1000).

\frac{0.55g}{mL}*\frac{100cg}{1g}*\frac{1000mL}{1L}=55,000\frac{cg}{L} \ or \ 5.5e4\frac{cg}{L}

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Explanation:

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The substance would be referred to as a compound substance.
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