1.

A boy chews 100 gof ice in 5 minute. If latent heat of ice is0 cal/sec, his power is:(a) 56 Wc) 112 W(b) 28 W(d) 224 W

Answer»

total energy =80*100 cal=80000*4.2=336KJ

power=336/(5*60)=112W

complete describe it



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