Estimate the temperature of a light bulb

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Reference no: EM1384806

Q. Estimate the temperature of a 140W light bulb with a glass bulb the same size. Consider only radiation, and assume that 90 percent of the energy is emitted as heat.

Q. How high will a 0.32kg rock go if thrown straight up by someone who does 119J of work on it? Avoid air resistance.

Reference no: EM1384806

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