Question

Find the compression in the spring when a block of mass $11kg$ is dropped from a height of $h=5m$.

Answer 1

The compression is given as,

$mgh=\frac{1}{2}k{x}^2$

$1\times 10\times 5=\frac{1}{2}\times 50\times x^2$

$x=1.414m$

Thus, the compression in the spring is $1.414m$.