A passenger elevator travels from the first floor to the 60th floor, at a distance of 210 meters in 35 seconds. What is the elevators speed?

Rank the torques on the five doors shown in the figure above from least to greatest. note that the magnitude of all the forces is the same

Contains chemical energy. a. heat b. light c. natural gas

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?