find the speed of longitudinal waves in a metal rod if the material of the rod has a young's modules of 1.2×10^11 N / m^2 and density 8.2x10^3 kg/m^2.​

Kate is working on a project in her tech education class. she plans to assemble a fan motor. which form of energy does the motor convert most of its electric energy into? a. light energy b. motion energy c. sound energy d. thermal energy

Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.

Slab pull” is a type of tectonic plate movement that occurs due to the forces of mantle convection and results in the subduction of the lithosphere true or false