In which of these situations would there be the least kinetic energy? a. a car rolling down hill b. a train barely moving along the tracks c. a truck rolling down hill d. there is not enough information to answer this.

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

The material that keeps its new shape after it is stretched is called?

Atomic nuclei of almost all elements consist of