Find the equivalent spring constant in the following cases:

Find the equivalent spring constant for the following arrangements:

Find equivalent spring constant for the system:

Find equivalent spring constant for the system:

Find equivalent thermal conductivity in the following cases:

Find equivalent spring constant for the system .

Find the time period of the oscilltion of mass m in figure a and b. What is the equivalent spring constant of the spring in each case. ?

What will be the equivalent spring constant of the spring system shown in the figure ?