I need some help. PLS PLS SOMEONE HELP ME
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Physics, 04.04.2021 01:00 javier04052000
I need some help. PLS PLS SOMEONE HELP ME
Answers: 3
Physics, 23.06.2019 02:30, Braxtonw875
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 09:30, lizzyhearts
A"car"initially"at"rest"experiences "a" constant"acceleration"along"a"horiz ontal" road."the"position"of"the"car"at"se veral" successive"equal"time"intervals"is" illustrated"here. between"which"adjacent"positions"is "the" change"in"kinetic"energy"of"the"car "the" greatest
Answers: 3
Physics, 23.06.2019 11:10, glowbaby123
If an object is thrown in an upward direction from the top of a building 1.6 x 102 ft. high at an initial velocity of 21.82 mi/h, what is its final velocity when it hits the ground?
Answers: 2
Mathematics, 15.04.2020 19:46
English, 15.04.2020 19:47