Question: a ) How long does it take before you can pull the ball bearing out of the water if it must first reach 5 0

a) How long does it take before you can pull the ball bearing out of the water if it must first reach 50 C to be safe to handle?
b) If instead the molten ball was subject to a continuous cooling rate of 100 W , how long would it take the surface temperature to cool to 50C?
a ) How long does it take before you can pull the

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