If a mass of 0.55 kg attached to a vertical spring stretches the spring 2.0 cm from its original equilibrium position, as shown in the diagram, what is the spring constant?

Imagine you had to physically add electrons, one at a time, to a previously neutral conductor. you add one electron very easily, but the second electron requires more work. in your initial post to the discussion, explain why this is. also, what happens to the work needed to add the third, fourth, fifth, and subsequent electrons

Assume this car is driven off a cliff . how many arrows of force need to be drawn in the free body diagram? assume no air resistance -five -one -three -four

At what time will the interfering waves have an amplitudeof zero?