Help please
Gravitation...
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 21.06.2019 14:20
Physics make-up packetname_cle14. an observer hears a sound with a frequency of 400 hz. if the speed of sound is 340 m/s,what is the wavelength of the sound? a. 0.85 mb. 1.2 mc. 2.75 m13.6 m15. as sound travels from steel into air, its speed decreases. if the frequency of the wavedoesn't change, what happens to its wavelength? a. it increases(b) it decreasesc. it remains the samed. there is not enough information given
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 21.06.2019 18:10
Achild throws a ball with an initial speed of 8.00 m/s at an angle of 40.0° above the horizontal. the ball leaves her hand 1.00 m above the ground. how long is the ball in flight before it hits the ground?
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 21.06.2019 21:00
In the 1980's, congress authorized the u.s. department of energy to build the wipp facility in the chicuahuan desert in new mexico. what is the purpose of wipp?
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 21.06.2019 23:00
Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 26.03.2021 02:00
![question](/tpl/images/cats/mat.png)
Mathematics, 26.03.2021 02:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 26.03.2021 02:00
![question](/tpl/images/cats/geografiya.png)
Geography, 26.03.2021 02:00
![question](/tpl/images/cats/himiya.png)
Chemistry, 26.03.2021 02:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 26.03.2021 02:00
![question](/tpl/images/cats/mat.png)
Mathematics, 26.03.2021 02:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 26.03.2021 02:00