A block of ice of mass M = 10 kg is moved back and forth over the flat horizontal surface…
Physics · JEE Advanced · NTA Exams — Thermodynamics
A block of ice of mass M = 10 kg is moved back and forth over the flat horizontal surface of a large block of ice. Both blocks are at 0°C and the force that produces the back–and –forth motion acts only horizontally. The coefficient of friction between the two surfaces is 0.060. If m = 15.2 g of water is produced, the total distance travelled by the upper block relative to the lower is : (Lice = 3.34 × 105 J/kg)
- 432 m
- 863 m
- 368 m
- 216 m
Answer
(B) 863 m
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