When you try to stretch a bungee cord a distance x, it resists with an opposing force of the form b x2 , where b is a constant. if b is measured to be 6 n/m2 , how much work does it take to stretch the bungee cord a distance of 1 metera.2jb.3jc.0.5jd. 1j

Why do electron microscopes have higher resolving power than light microscopes?

You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?

Two waves maximally constructively interfere at a point in space. among the options below, select the possible value of their phase difference at that point in space. a. zerob. πc. π/2d. not determinable by the information provided