Block a has a mass 1.0 kg and block b has a mass 3.0 kg. the two blocks are connected by a very light rope of negligible mass that passes over a pulley as shown. the coefficient of kinetic friction for the blocks on the ramp is 0.33. the ramp is angled at  = 45. at time t = 0 s, block a is released with an initial speed of 6.0 m/s. what is the tension in the rope?

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?