Physical Science

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A block of ice at 0^\circ {\rm C} is dropped from a height that causes it to completely melt upon impact. Assume that there is no air resistance and that all the energy goes into melting the ice. What is the height necessary for this to occur.

• Physical Science -

Q=λm
E=mgh
Q=E
λm= mgh
h=λ/g = 335000/9.8 = 34184 m

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