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------------------------------------------------ An ice cube is placed in a microwave oven. Suppose the oven delivers 105 W of power to the ice cube and that it takes 32,200 J to melt it. How long does it take for the ice cube to melt?

Answer :

The ice cube takes around 5.11 minutes to melt.

To find out how long it takes for the ice cube to melt in the microwave oven, you can use the formula:
Time (s) = Energy (J) / Power (W)

It is given that the microwave delivers 105 W of power and it takes 32,200 J to melt the ice cube.

Plugging in the values to the above formula, we get:
Time (s) = 32,200 J / 105 W
Time (s) ≈ 306.67 seconds

Converting this time in minutes we get:

Time (s) ≈ (306.67/60) minutes

Time (s) ≈ 5.11 minutes


So, it takes approximately 5.11 minutes for the ice cube to melt in the microwave oven.

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