Jessica stretches her arms out to 0.6m from the center of her body while holding a 2 kg mass in each hand she then spins around on an ice rink at 1.1m/s.
if she pulls her arms in to .15 m, what is her linear speed if the angular momentum remains constant?

The movement of electrons between atoms is called an

Is a copper wire a conductor or insulator?

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?