A car has a mass of 1500 kg, and its alumi mass of 6.00 kg. Consider that: the brakes the melting temperature of aluminum is 66 heat at room temperature and at a constar The speed of the vehicle when just braking B) If the speed of the vehicle when just br.

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1 B) Answer the question shown in the image 

A car has a mass of 1500 kg, and its aluminum brakes have an overall
mass of 6.00 kg. Consider that: the brakes originally are at 20.0 ° C;
the melting temperature of aluminum is 660 ° C and that its specific
heat at room temperature and at a constant pressure is 910 J/kg - °C.
The speed of the vehicle when just braking is 25 m/s
B) If the speed of the vehicle when just braking is increased by double,
how many times could the car be stopped before the brakes start to
melt?
Transcribed Image Text:A car has a mass of 1500 kg, and its aluminum brakes have an overall mass of 6.00 kg. Consider that: the brakes originally are at 20.0 ° C; the melting temperature of aluminum is 660 ° C and that its specific heat at room temperature and at a constant pressure is 910 J/kg - °C. The speed of the vehicle when just braking is 25 m/s B) If the speed of the vehicle when just braking is increased by double, how many times could the car be stopped before the brakes start to melt?
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