![subject](/tpl/images/cats/fizika.png)
Physics, 22.02.2020 02:58 ballislifeqw3089
A siren emitting a sound of frequency 1003 Hz moves away from you toward the face of a cliff at a speed of 12.0 m/s. Take the speed of sound in air as 334 m/s. (a) What is the frequency of the sound you hear coming directly from the siren
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 05:30
Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.
Answers: 1
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 16:40
Panel bc in fig. p2.76 is semi-circular, with the 3 meter radius and horizontal straight edge through point b. compute (a) the hydrostatic force of the water on the panel, (b) its center of pressure, and (c) the moment of this force about point b. assume atmospheric pressure on the dry side of the panel
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 17:30
Describe cytokinesis in plants and animals. in animals: in plants.
Answers: 2
You know the right answer?
A siren emitting a sound of frequency 1003 Hz moves away from you toward the face of a cliff at a sp...
Questions
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 02.03.2021 14:00
![question](/tpl/images/cats/biologiya.png)
Biology, 02.03.2021 14:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 02.03.2021 14:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.03.2021 14:00
![question](/tpl/images/cats/istoriya.png)
History, 02.03.2021 14:00
![question](/tpl/images/cats/istoriya.png)
History, 02.03.2021 14:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/es.png)
Spanish, 02.03.2021 14:00
![question](/tpl/images/cats/mat.png)
Mathematics, 02.03.2021 14:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 02.03.2021 14:00