Suppose that the angle θ is small, and find the equilibrium separation d between the spheres (hint: if θ is small, then tanθ≅sinθ.)express your answer in terms of the variables q, l, m and appropriate constants.

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

What would be the result of an alpha particle coming into a magnetic field? a) the alpha particle will stop moving. b) the alpha particle will reverse its direction. c) the alpha particle will be deflected in a curve path. d) the alpha particle will continue to travel in a straight line.

Considering only the earth's rotation, determine how much later the asteroid would have had to arrive to put the explosion above helsinki at longitude 25˚ e? this would have obliterated the city.