Question

A spring balance has a scale that can read from $0to50kg$. The length of the scale is $20cm$. A body suspended from this balance when displaced and released oscillates harmonically with a time period of $0.6s$. The mass of the body is $(takeg=10m/s^2)$

• A. $10kg$
• B. $30kg$
• C. $18kg$
• D. $23kg$

Answer 1

The correct option is D $23kg$

Answer is 23KG if g=10 is taken. But in solution g is taken as 9.8m/s