Physics A skater can slide on ice with very low level of friction. A theory suggests that the low friction coefficient is explained by ice melting under the weight of the skater. The length and the width of the skate blades are 30 cm and 0.1 mm respectively. Make a reasonable assumption about the weight of the skater and estimate the significance of the suggested mechanism for reducing the friction.   Also determine the temperature of the ice melting.

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A skater can slide on ice with very low level of friction. A theory suggests that the low friction coefficient is explained by ice melting under the weight of the skater. The length and the width of the skate blades are 30 cm and 0.1 mm respectively. Make a reasonable assumption about the weight of the skater and estimate the significance of the suggested mechanism for reducing the friction.

 

Also determine the temperature of the ice melting.

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