A spring of spring constant 5 × 103 𝑁/𝑚 is stretched initially by 5 𝑐𝑚 from the unstretched position. Then the work required to stretch it further by another 5𝑐𝑚 is

A spring of spring constant 5 × 103 𝑁/𝑚 is stretched initially by 5 𝑐𝑚 from the unstretched position. Then the work required to stretch it further by another 5𝑐𝑚 is

Question: A spring of spring constant 5 × 103 𝑁/𝑚 is stretched initially by 5 𝑐𝑚 from the unstretched position. Then the work required to stretch it further by another 5𝑐𝑚 is