A1.2 kg ball moving due east at 40 m/s strikes a stationary 6.0 kg object. the 1.2 kg ball rebounds to the west at 25 m/s. what is the speed of the 6.0 kg object after the collision

John throws .4 kg ball with velocity of 18 m/s. hits .2 kg bottle and bottle flies 25 m/s. how fast is ball traveling after hitting the bottle?

The three classes of rocks are sedimentary, metamorphic, and igneous. how are rocks classified into one of these three groups?

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?