Thermodynamics question thanks so much for the help

In summary, the conversation discusses the minimum speed of a hailstone at 0 degrees celsius that will cause it to melt upon impact with the Earth's surface. The specific latent heat of fusion of ice, 340kJ/kg, is mentioned and the equations q=mcΔt, Ek=1/2mv^2, and q=ML are provided as possible starting points for solving the problem. The significance of the 'heat of fusion' and the relationship between kinetic and thermal energy in this scenario are also mentioned.
  • #1
noah kessler
1
0

Homework Statement


a small lump of ice at 0 degrees celsius falls to the Earth's surface. when the hailstone hist the surface, all of the kinetic energy of the hailsotne is transferred to thermal energy in the ice. calculate the minimum speed of the hailstone so that it just melts when it hits the surface.

specific latent heat of fusion of ice is 340kJ/ kg

Homework Equations


q=mcΔt
Ek=1/2mv2
q=ML

The Attempt at a Solution


not sure where to start
 
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  • #2
What happens when a solid melts? What is the significance of the 'heat of fusion'?

noah kessler said:
when the hailstone hits the surface, all of the kinetic energy of the hailstone is transferred to thermal energy in the ice.
How does this statement relate to the above questions?
 

FAQ: Thermodynamics question thanks so much for the help

1. What is thermodynamics?

Thermodynamics is the branch of physics that deals with the relationship between heat, energy, and work. It studies how these factors affect the behavior of matter and its properties.

2. How is thermodynamics used in everyday life?

Thermodynamics is used in various everyday applications, such as refrigerators, air conditioners, and engines. It also plays a crucial role in understanding weather patterns and the functioning of our bodies.

3. What are the laws of thermodynamics?

The laws of thermodynamics are fundamental principles that govern the behavior of energy. They include the law of conservation of energy, the law of entropy, and the law of absolute temperature.

4. How is thermodynamics related to chemistry?

Thermodynamics and chemistry are closely related, as thermodynamics helps to explain the energy changes that occur during chemical reactions. It also plays a significant role in determining the spontaneity of reactions and the equilibrium state of a system.

5. What are some real-world applications of thermodynamics?

Thermodynamics has numerous real-world applications, including in the design and operation of power plants, chemical processes, and refrigeration systems. It also has implications in fields such as environmental science, materials science, and astrophysics.

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