Question

the masses of two bodies are measured to be 15.7±0.2kg and 27.3±0.3 kg. what is the total mass of the two and the error in it?​

Answer 1

Answer:

given

m,=15.7+-0.2kg

m'=27.3+-0.3kg

total mass m,+m'

= (15.7+-0.2)+(

27.3+-0.3)=(43+-0.5)kg