(Solution) - A car with mass 1275 kg drives at 60 km h when the brakes are ap -(2025 Original AI-Free Solution)

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Academic Level: Undergrad. (yrs 3-4)

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A car with mass 1275 kg drives at 60 km/h when the brakes are applied quickly to decrease its speed to 20 km/h. Assume the brake pads are 0.5 kg mass with heat capacity of 1.1 kJ/kg K and the brake discs/drums are 4.0 kg steel. Further assume both masses are heated uniformly. Find the temperature increase in the brake assembly.