Answer question 2 please!
...
Answers: 2
Physics, 23.06.2019 02:30
Atrain is traveling at 30.0 m/s relative to the ground in still air. the frequency of the note emitted by the train whistle is 262 hz. the speed of sound in air should be taken as 344 m/s. what frequency (f approach) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and approaching it? what frequency (f recede) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and receding from it?
Answers: 1
Physics, 23.06.2019 03:50
Acar driving 22.7 m/s on flat ground drives off a 42.3 m high cliff. how much time does it take to reach the ground?
Answers: 1
Physics, 23.06.2019 09:00
Being able to see a square in the middle of the image despite not having lines to form a square represents the gestalt principle of a. proximity b. similarity c. closure d. continuity
Answers: 1
English, 21.09.2019 16:00
Social Studies, 21.09.2019 16:00
Mathematics, 21.09.2019 16:00
Mathematics, 21.09.2019 16:00
Physics, 21.09.2019 16:00
History, 21.09.2019 16:00
Biology, 21.09.2019 16:00
Chemistry, 21.09.2019 16:00
History, 21.09.2019 16:00
Mathematics, 21.09.2019 16:00
Mathematics, 21.09.2019 16:00
History, 21.09.2019 16:00
Mathematics, 21.09.2019 16:00