After Jan went down a fiberglass slide, her hair spread out around her head as shown below. How does the appearance of Jan's hair indicate a change in potential energy?

How does the amount of energy required to hold each proton and neutron in the nucleus compare to the energy released when they are removed?

Along the line connecting the two charges, at what distance from the charge q1 is the total electric field from the two charges zero? express your answer in terms of some or all of the variables s, q1, q2 and k =14ï€ïµ0. if your answer is difficult to enter, consider simplifying it, as it can be made relatively simple with some work.

Acar traveling at 22 m/s starts to decelerate steadily. it comes to a complete stop in 15 seconds. what is it’s acceleration?