#1. a car moving at the rate of 65 miles per hour passes a truck moving in the same direction at 38 miles per hour . what is the speed of the car to the nearest mile per hour from the truck frame of reference ? #2. the x-43 is the fastest aircraft ever. it flew a distance of 3,961 km from los angeles to new york at the speed of 11,265 km/h . how long did it take the x-43 to fly that distance? #3. a mail carrier walked six blocked to the north one block to the east , and then six blocks to the south. what is the mail carriers displacement ?

Consider a production line with five stations. station 1 can produce a unit in 9 minutes. station 2 can produce a unit in 10 minutes. station 3 has two identical machines, each of which can process a unit in 12 minutes (each unit only needs to be processed on one of the two machines. station 4 can produce a unit in 5 minutes. station 5 can produce a unit in 8 minutes. which station is the bottleneck station?

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?

Nthe 19th century, women were expected to conform to a certain role that entailed a. gaining domestic skills and establishing a career b. going to college and getting married c. getting married and having children d. graduating from college and being a housewife