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Answers
Explanation:
The hand with ice will feel more chillness because the water has hidden leat called latent heat. Ice at 0°C is more effective in cooling than water at 0°C because latent heart of fusion is hidden inside ice particles which particles of water does not have. ... Therefore, ice is more effective.
The gap is left between the rails to provide a space for the iron metal to expand and contract during the summer and winter season due to the change in the temperatures. If the gap is not left in between then the rails will bend more and cause derailing of the trains.
Answer:
The hand consisting the ice will feel more chillness because ice undergoes melting. More amount of energy is transferred to hand Due to latent heat of fusion.
Explanation:
2.A small gap left because to provide space as the rails steel contract and expand during summer and winter season.