Answer Happy

Posted: **Mon May 16, 2022 2:45 pm**

: 3 A 4kg Rock Is Dropped From An Unknown Height Above A Spring It Hits A Spring With A Spring Constant Of 750n M And Co 1 (9.7 KiB) Viewed 34 times

3. A 4kg rock is dropped from an unknown height above a spring. It hits a spring with a spring constant of 750N/m and compresses the spring 45cm to the ground. How high above the spring was the rock dropped?