If you drop a piece of ice on a hard surface, the energy of impact will melt some of the ice. The higher it drops, the more ice will melt upon impact. - Find the height from which a block of ice should ideally be dropped to completely melt it that falls without air drag. [Hint: Equate the joules of gravitational potential energy to the product of the mass of ice and its heat of fusion (in SI units, 335,000 J/kgJ/kg). Do you see why the answer doesn't depend on mass?] Express your answer to two significant figures and include the appropriate units.
If you drop a piece of ice on a hard surface, the energy of impact will melt some of the ice. The higher it drops, the more ice will melt upon impact. - Find the height from which a block of ice should ideally be dropped to completely melt it that falls without air drag. [Hint: Equate the joules of gravitational potential energy to the product of the mass of ice and its heat of fusion (in SI units, 335,000 J/kgJ/kg). Do you see why the answer doesn't depend on mass?] Express your answer to two significant figures and include the appropriate units.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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If you drop a piece of ice on a hard surface, the energy of impact will melt some of the ice. The higher it drops, the more ice will melt upon impact.
-
Find the height from which a block of ice should ideally be dropped to completely melt it that falls without air drag.
[Hint: Equate the joules of gravitational potential energy to the product of the mass of ice and its heat of fusion (in SI units, 335,000 J/kgJ/kg). Do you see why the answer doesn't depend on mass?]
[Hint: Equate the joules of gravitational potential energy to the product of the mass of ice and its heat of fusion (in SI units, 335,000 J/kgJ/kg). Do you see why the answer doesn't depend on mass?]
Express your answer to two significant figures and include the appropriate units.
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