A) 1kg
B) 1.6 kg
C) 2 kg
D) 2.4 kg
Correct Answer: B
Solution :
\[{{T}_{1}}=2\pi \sqrt{\frac{m}{k}}=2\] \[{{T}_{2}}=2\pi \sqrt{\frac{m+2}{k}}=3\] \[\frac{2}{3}=\sqrt{\frac{m}{m+2}}\] \[m\text{ }=\text{ }1.6\text{ }kg\]You need to login to perform this action.
You will be redirected in
3 sec