The Westin Stamford Hotel in Detroit is 228 m tall. Suppose a piece of
ice, which initially has a temperature of 0.0°C, falls from the hotel roof
and crashes to the ground. Assuming that 50.0 percent of the ice’s mechanical
energy during the fall and collision is absorbed by the ice and
that 3.33 × 105 J is required to melt 1.00 kg of ice, calculate the fraction
of the ice’s mass that would melt.
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