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.

What happens in a global convection cell

What is the final velocity of the initial velocity of 25 and -50?

You are traveling in a car going at a constant speed of 100km/h down a long, straight highway. you pass another car going in the same direction which is traveling at a constant speed of 80km/h. as measured from your car's reference frame this other car is traveling at −20km/h. what is the acceleration of your car as measured from the other car's reference frame? what is the acceleration of the other car as measured from your car's reference frame?