Two electrons travel towards each other at 0.2 c parallel to the laboratory x-axis. what is the relative velocity of one electron with respect to the other? what is the relative velocity of the two electrons with respect to the lab?

Which property of fossils allow scientists to determine the relative rock ages..

The california mussel (mytilus californianus) attaches itself to a rock or other solid surface with a bundle of filaments known as the byssus. imagine that 15.0 j of work is done to stretch the distal end of the byssus. it releases 10.8 j of thermal energy as it relaxes. what is the resilience of the distal end of the byssus?

Frank just graduated from eighth grade. assuming exactly four years from now he will graduate from high school how many seconds does he have until his high school graduation