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------------------------------------------------ An ice cube is placed in a microwave oven. Suppose the oven delivers 125 W of power to the ice cube and that it takes 33,200 J to melt it.

How long will it take to melt the ice cube?

When an ice cube is placed in a microwave oven, the oven delivers 125 W of power to the ice cube. It takes 33200 J (joules) of energy to melt the ice cube.

To find the time it takes for the ice cube to melt, we can use the formula:

Energy = Power x Time

Since we know the power (125 W) and the energy (33200 J), we can rearrange the formula to solve for time:

Time = Energy / Power

Plugging in the values, we get:

Time = 33200 J / 125 W

Calculating this gives us the time it takes for the ice cube to melt.

Now, let's do the math:

Time = 33200 J / 125 W = 265.6 seconds

So, it takes approximately 265.6 seconds for the ice cube to melt in the microwave oven.

In conclusion, it takes about 265.6 seconds for the ice cube to melt in the microwave oven with a power output of 125 W and an energy requirement of 33200 J.

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