1. The spring in a trampoline has been stretched 0.25m and has a spring constant of 250N/m. How much elastic potential energy is stored

Use the profile illustrated for problem (1). assume that the layer of silty sand fill (sm) is placed over the entire site. estimate the thickness of the fill (h - in feet) that will cause the effective vertical stress at the center of the clay layer to increase by 517.5 pounds per square foot.

The energy released by a nuclear fusion reaction is produced when

What is similar between metals and suspensions