You see a "no u-turn" sign at the intersection. may you make a u-turn at the intersection if the traffic signals are operating?

Two identical small charged spheres are a certain distance apart, and each one initially experiences an electrostatic force of magnitude f due to the other. with time, charge gradually leaks off of both spheres. when each of the spheres has lost half its initial charge, the magnitude of the electrostatic force will be

In the first law of thermodynamics, triangle e=q-w, what does q stand for

Which branches of natural science include the study of an organism that lived 10 million years ago