(a) A iron block with a mass of 5.8 kg initially slides over a rough horizontal surface with a speed of 7.4 m/s. Frictio

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(a) A iron block with a mass of 5.8 kg initially slides over a rough horizontal surface with a speed of 7.4 m/s. Frictio

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A A Iron Block With A Mass Of 5 8 Kg Initially Slides Over A Rough Horizontal Surface With A Speed Of 7 4 M S Frictio 1
A A Iron Block With A Mass Of 5 8 Kg Initially Slides Over A Rough Horizontal Surface With A Speed Of 7 4 M S Frictio 1 (18.53 KiB) Viewed 103 times
(a) A iron block with a mass of 5.8 kg initially slides over a rough horizontal surface with a speed of 7.4 m/s. Friction slows the block to rest. While slowing to rest, 85.0% of the kinetic energy of the block is absorbed by the block itself as internal energy. What is the temperature increase of the block? (Enter your answer in degrees Celsius.) °C (b) What happens to the remaining energy? It becomes chemical energy. It vanishes from the universe. It is so minute that it doesn't factor into the equation. It is absorbed by the horizontal surface on which the block slides.
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