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Amiraneli [1.4K]
3 years ago
7

In doing a load of clothes, a clothes drier uses 18 A of current at 240 V for 59 min. A personal computer, in contrast, uses 3.0

A of current at 120 V. With the energy used by the clothes drier, how long (in hours) could you use this computer to "surf" the Internet?
Computers and Technology
1 answer:
amid [387]3 years ago
5 0

Answer:

11.76 hours or 11 hours 45 minutes

Explanation:

Given

Current\ for\ drier = I_d = 18A\\Voltage\ for\ drier=V_d=240V\\Time\ for\ drier=t_d=59\ min

We have to convert minutes into hours

So,

t=\frac{59}{60} = 0.98\ hours

Current\ for\ Computer=I_c=3.0A\\Voltage\ for\ computer=V_c=120V

As we are given that we have to find the time the computer will sustain using the same energy as the drier. So,

I_d*V_d*t_d=I_c*V_c*t_c\\18*240*0.98=3*120*t_c\\t_c*360=4233.6\\t_c=\frac{4233.6}{360}\\ t_c=11.76\ hours

<u>Converting into minutes will give us: 11 hours 45 minutes </u>

Therefore, with the same energy used by the drier, the computer can be used 11.76 hours to surf the internet ..

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// Method's name: has_more_zs

// Parameters are text1 and text2 to hold the two phrases to be tested

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 //Create a loop to cycle through the characters in text2

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Explanation:

Explanation to answer has been given in the code as comments. Please refer to the comments for the details of the code.

The source code file has been attached to this response and saved as "NumberOfZs.java"

Hope this helps!

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