Physics

https://www.chegg.com/homework-help/questions-and-answers/block-m-200kg-attached-spring-spring-constant-k-500n-m-force-100n-applied-block-horizontal-q24670537

https://www.chegg.com/homework-help/questions-and-answers/square-block-m-100kg-flush-spring-mass-block-attached-spring-001kg-initially-rest-spring-c-q32340920

https://www.chegg.com/homework-help/questions-and-answers/part-v-200-kg-block-released-rest-300-m-away-spring-block-spring-assembly-incline-elevated-q39099198