A (0.20-mathrm{kg}) steel ball is dropped into a ball of dough, striking the dough at a speed

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A \(0.20-\mathrm{kg}\) steel ball is dropped into a ball of dough, striking the dough at a speed of \(2.3 \mathrm{~m} / \mathrm{s}\) and coming to rest inside the dough. If it were possible to turn all of the energy converted in this totally inelastic collision into light, how long could you light a desk lamp? It takes \(25 \mathrm{~J}\) to light a desk lamp for \(1.0 \mathrm{~s}\).

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