A compressive force F is applied to an object made of a material with Young modulus E. The original length of the object in the direction of the force is r, and its cross-sectional
area is A.
Which expression gives the length of the object after the force is applied?

Which of the following is a source of heat for magma formation? magma plumes in the continental crust friction due to divergence friction due to subduction magma plumes in the oceanic crust

Positrons are spontaneously emitted from the nuclei of

Rank the six combinations of electric charges on the basis of the electric force acting on q1. define forces pointing to the right as positive and forces pointing to the left as negative. rank positive forces as larger than negative forces. q1,q2,q3 = positive(+) q1 = + q2 = + q3 = - q1 = + q2= - q3= + q1= - q2= + q3= + q1= + q2= - q3= - q1,q2,q3 = negative