An 87-g arrow is fired from a bow whose string exerts an average force of 120 n on the arrow over a distance of 82 cm. What is the speed of the arrow as it leave the bow?

What do you think car designers do if the damage caused by a crash test is too severe?

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.

Which of the following is the best name for mgcl2