![subject](/tpl/images/cats/fizika.png)
Physics, 22.07.2019 03:00 savannnab1890
The car below emits sound waves, represented by red circles, that are heard by an observer. based on the pattern of sound waves, what is the direction and speed of the car?
![ansver](/tpl/images/cats/User.png)
Answers: 1
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, 22.06.2019 05:30
Iwill give 30 points to whoever answers ! what is the formula for actual mechanical advantage and ideal mechanical advantage?
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 08:00
1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 11:20
If a rock is thrown upward on the planet mars with a velocity of 12 m/s, its height (in meters) after t seconds is given by h = 12t โ 1.86t2. (a) find the velocity of the rock after two seconds. m/s (b) find the velocity of the rock when t = a. 12โ3.72a m/s (c) when will the rock hit the surface? (round your answer to one decimal place.) t = s (d) with what velocity will the rock hit the surface? m/s
Answers: 1
You know the right answer?
The car below emits sound waves, represented by red circles, that are heard by an observer. based on...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 01.08.2019 12:20
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 01.08.2019 12:20
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
History, 01.08.2019 12:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 01.08.2019 12:20
![question](/tpl/images/cats/istoriya.png)
History, 01.08.2019 12:20
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 01.08.2019 12:20
![question](/tpl/images/cats/mat.png)
Mathematics, 01.08.2019 12:20
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 01.08.2019 12:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 01.08.2019 12:20
![question](/tpl/images/cats/biologiya.png)
Biology, 01.08.2019 12:20