Find entropy change of the horseshoe-plus-water system

Reference no: EM1361616

Q. A 1 kg iron horseshoe is taken from a forge at 900 degrees C and dropped into 4 kg of water at 10 degrees C. Assuming no energy is lost by heat to the surroundings, determine the total entropy change of the horseshoe-plus-water system.

Q. The maximum acceleration of a car, while braking is -8.0 m/s^2. If two identical cars are moving head-on toward each other at 91 km/h, and both drivers apply the brakes when they are 89 m apart. Will the cars collide? If so how fast will the cars be traveling when they collided? If they did not, what is the distance between the cars at this point?

Reference no: EM1361616

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