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a lump of ice falls from the top of mountain and it just melts on reaching the ground. assuming that the energy acquired by the lump when it falls is converted to heat energy that is needed for melting and that 1 g ice melts with 80 calories heat , find the height of the mounrtain?
a lump of ice falls from the top of mountain  and it just melts on reaching the ground. assuming that the energy acquired by the lump when it falls is converted to heat energy that is needed for melting and that 1 g  ice melts  with 80 calories  heat , find the height of the mounrtain?


6 years ago

Anshuman Samantaray
20 Points
							We can solve it by applying conservation of engergy concept.We know $\frac{1}{2}mv^{2}=mgh$       Take mass as 1 gram and find v by using kinetic energy = heat energy and put the value in the above equation.Thefinal answer will be 33.6 mtr by taking g=10m/s2

4 years ago
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### Course Features

• 110 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions