Answer:
this is the answer
Explanation:
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The electrical energy consumed by a toaster is 0.033 Kwh.
<u>Explanation</u>:
The power utilized by the toaster is 400 W.
![\text { The power utilized by the toaster is } 400 \mathrm{W} \text { in kilo-watts is } \frac{400}{1000}=0.4 \mathrm{Kw}](https://tex.z-dn.net/?f=%5Ctext%20%7B%20The%20power%20utilized%20by%20the%20toaster%20is%20%7D%20400%20%5Cmathrm%7BW%7D%20%5Ctext%20%7B%20in%20kilo-watts%20is%20%7D%20%5Cfrac%7B400%7D%7B1000%7D%3D0.4%20%5Cmathrm%7BKw%7D)
The toaster is operated for 5 Minutes.
![\text { The toaster is operated for } 5 \text { Minutes in hours is } \frac{5}{60}=0.083 \text { hours. (One minute is } 60 \text { seconds) }](https://tex.z-dn.net/?f=%5Ctext%20%7B%20The%20toaster%20is%20operated%20for%20%7D%205%20%5Ctext%20%7B%20Minutes%20in%20hours%20is%20%7D%20%5Cfrac%7B5%7D%7B60%7D%3D0.083%20%5Ctext%20%7B%20hours.%20%28One%20minute%20is%20%7D%2060%20%5Ctext%20%7B%20seconds%29%20%7D)
We know that,
![\text {power}=\frac{\text {energy}}{\text {time}}](https://tex.z-dn.net/?f=%5Ctext%20%7Bpower%7D%3D%5Cfrac%7B%5Ctext%20%7Benergy%7D%7D%7B%5Ctext%20%7Btime%7D%7D)
Substitute the values in the above formula to obtain electrical energy,
![0.4=\frac{\text { energy }}{0.083}](https://tex.z-dn.net/?f=0.4%3D%5Cfrac%7B%5Ctext%20%7B%20energy%20%7D%7D%7B0.083%7D)
Electrical energy = 0.4 × 0.083
Electrical energy is 0.033 Kwh.
Answer:
The correct option is;
Rachael's motion energy is being turned into other types pf energy
Explanation:
Here we have Rachael pushing off from the wall to generate motion energy. The motion energy makes Rachael glide such that she is displaced while at the same time she overcomes resistances to the motion, (rolling) of the tires from the ground as well as generates some audible noise and heat. These are all forms of energy that takes up the initial motion energy that Rachael had.