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| 1. |
A bullet of mass 10xx10^(-3)kgmoving with a speed of 20ms^(-1)hits an ice block (0^@C)of 990g kept at rest on a frictionless floor and gets embedded in it. If ice takes 50% of K.E, the amount of ice melted (in grams) approximately is (J = 4.2J/cal) (Latent heat of ice = 80cal/g) |
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