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1 year ago

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(Double points) A machine receives electricity that enables it to deliver a total of 8,542 N of force for the completion of its

task. The machine's useful output is 7,023 N. What is the machine's efficiency?

1 answer:

storchak [24]1 year ago

4 0

Answer: machine's efficiency = 82.2%

Explanation:

Efficiency of a machine is the capability of a machine to convert input to output without waste.

It can be expressed as

Efficiency = output/ input × 100%

Output = 7,023N

Imput = 8,542N

Efficiency = 7,023N/8,542N × 100%

Efficiency = 82.2%

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Answer:

The value of R is $1.72\times10^{11}\ m$ .

(B) is correct option.

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Given that,

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2 years ago

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1 year ago

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<em>d. unchanged.</em>

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1 year ago

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Answer:

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1 year ago