Question

10. Eind out the minimum height from which a piece of ice at 0°C should be dropped so that it melts completely Assume that 50% of the energy lost due to its fall is responsible for the J = 4.2 x 107 erg.cal-!, latent heat of fusion of ice = 80 cal.g-1 fusion of ce х [6.86 x 106 cm​

Answer 1

Explanation:

the the motion described by a freely falling stone is dash motion