3 kg +4 gm = kg.
Raj checked his weight on an analog weighing machine and found out it was 62 kg. After stepping down, he realized that the needle pointed at 3 kg instead of 0. The reading on the weighing machine without the zero error would have been ___kg.
Total number of neutrons present in 4gm of heavy water
Calorific value is expressed in a unit called kilojoule per kg (kJ/kg).