The spring has a stiffness of 1600 N/m and a relaxed length of 0.15 m . You pull the mass until the stretch of the spring is 0.08 m and release it from rest. The block begins to oscillate with negligible friction.

What is the block's speed when the stretch of the spring is 0.06 m?

How many neutrons does element x have if it’s stormy umber is 33 and it’s mass number is 95?

The desk has a weight of 75 lb and a center of gravity at g. determine the initial acceleration of a desk when the man applies enough force f to overcome the static friction at a and b. also, find the vertical reactions on each of the two legs at a and at b. the coefficients of static and kinetic friction at a and b are ms = 0.5 and mk = 0.2, respectively

Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy