A (1500-mathrm{kg}) car constantly moving at (90 mathrm{kmph}) accidentally crashes into a concrete wall. The impact produces
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A \(1500-\mathrm{kg}\) car constantly moving at \(90 \mathrm{kmph}\) accidentally crashes into a concrete wall. The impact produces \(750 \mathrm{~J}\) of sound energy. The car gains \(3.8 \mathrm{~kJ}\) of thermal energy from the impact, and \(15 \mathrm{~kJ}\) of thermal energy escapes after the impact. How much energy does the concrete wall absorb?
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