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From what height must a hailstone at 0^(...

From what height must a hailstone at `0^(@)C` fall in order that it may melt on reaching the ground, assuming that 7% energy is lost during fal.

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`36.87km`
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SL ARORA-HEAT-Problem For Self Practice
  1. From what height must a block of ice be dropped in order that it may m...

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  2. Calculate the difference in temperature of water at the top and the bo...

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  3. From what height must a hailstone at 0^(@)C fall in order that it may ...

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  4. Calculate the rise in temperature of water, which falls from a height ...

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  5. A lead bullet of mass 50g moving with a velocity of 100ms^(-1) strikes...

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  6. A lead bullet strikes a target with a velocity of 500 ms^(-1) and the ...

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  7. Calculate the velocity with which a piece of ice at - 5^(@)C be thrown...

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  8. A heavy box having a mass of 2 quintal is pulled along the floor for 8...

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  9. In the Joule experiment, a mass of 20 kg falls through 1.5m at a const...

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  10. A body of mass 25 kg is dragged on a horizontal rough road with a cons...

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  11. A worker eats a dish of icecream which funishes 200 kcal of heat. If t...

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  12. When water is boiled at 2 atm pressure the latent heat of vaporization...

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  13. When 10 g of coal is burnt, it raises the temperature of 2 litres of w...

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  14. A person weighing 60 kg takes in 2000 kcal diet in a day. If this ener...

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  15. 0.75 gram of petroleum was burnt in a bomb calorimeter which contains ...

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  16. The heat of combustion of ethane gas at 373 k cal per mole. Assume tha...

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  17. A refrigeratior converts 50 gram of water at 15^(@)C intoice at 0^(@)C...

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  18. 1.50 gram of ice is mixed in 300 gram of water at 50^(@)C. Determine t...

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  19. How many grams of ice at -14 .^(@)C are needed to cool 200 gram of wa...

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  20. Calculate the heat required to convert 3 kg of ice at -12^(@)C kept in...

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