The dimensions of the disk of our milky way galaxy are select one: a. diameter 100,000 light-years; thickness 1000 light-years. b. diameter 10,000 light-years; thickness 28,000 light-years. c. diameter 1000 light-years; thickness 100,000 light-years. d. diameter 28,000 light-years; thickness 1000 light-years.

Describe how the motion of a spring being pushed forward and backward is similar to the motion of air particles in a sound wave.

Which sections of the heating curve illustrate this process?

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?