two ants of equal mass are on a disk that rotates at a constant rate. ant a is at a radial position of d, and ant b is at a radial position of 2d. determine (and explain! ) the ratio b: a for their: a. b. c. d. linear velocities angular velocities linear (tangential) acceleration angular acceleration explain which ant would be more likely to develop motion sickness from the spinning, including a discussion of the relevant variables. e.

What is work? how much work is done to move an object 0 meters?

Which scientist was the first to propose the heliocentric model of the universe? a. aristotle b. isaac newton c. galileo galilei d. nicolaus copernicus

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?