ICSE Class 10 Answered
a copper ball is dropped from a vertical height of 1200 m.If initial temp. of copper ball at the height is 12 degree celcius, what is its temp. on reaching the ground? Assume all its kinetic energy changes to heat energy and sp. heat capacity of copper is 400 J/kg/c and g = 10 m/s2 ?
Asked by nisha_vini29 | 20 Jun, 2016, 03:58: PM
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Answered by | 20 Jun, 2016, 06:23: PM
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