Physics, 25.09.2020 22:01 ashliemallen
A train travels north at a speed of 50 m/s. A passenger walked toward the rear of the train at a speed of 2m/s. A person standing on a platform at the train station observes the motion of the passenger as the train passes According to the information and diagram above, what is the apparent speed of the passenger with from the frame of reference of a stationary observer on the train station platform?
Answers: 1
Physics, 22.06.2019 14:00, 6224968918
Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.
Answers: 1
Physics, 22.06.2019 23:20, libbybacon7
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?
Answers: 2
A train travels north at a speed of 50 m/s. A passenger walked toward the rear of the train at a spe...
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