Respuesta :

Answer:

It takes 6.67 second to finish the task by the machine.

Explanation:

Given that,  

Work done by the machine (w) = 500J

Power generated by  the machine (P) = 75 watt  

The dimension of power is energy divided by time. The "SI unit" of "power" is the "watt" (W), which is equal to "one joule per second" .

[tex]Power=\frac{w o r k}{t i m e}[/tex]

Calculate the time for the given work and power.

[tex]\text { Time }=\frac{\text {work}}{\text { power }}[/tex]

[tex]\mathrm{Time}=\frac{500}{75}[/tex]

Time = 6.67 second

6.67 second long did it take to complete its task.  

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