subject
Mathematics, 25.04.2020 01:37 offensiveneedle

01. Para se propagar, o som precisa de um meio, que pode ser a água, o ar, ou ainda os materiais sólidos. Considere a velocidade de propagação do som no ar como sendo 344 m/s, a uma temperatura média de 20 graus Celsius. Qual será o comprimento de onda para a frequência de 125 Hz? Assinale a alternativa correta:

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 20.06.2019 18:04
30 determine the coefficient on x 12 y 24 x12y24 in ( x 3 + 2 x y 2 + y + 3 ) 18 . (x3+2xy2+y+3)18. (be careful, as x x and y y now appear in multiple terms! )
Answers: 3
question
Mathematics, 21.06.2019 16:00
Answer asap ! the shortest path from point a to point b goes through a pond. to avoid the pond, you must walk straight 34 meters along one edge of the pond, then take a 90 degree turn, and again walk straight 41 meters along another edge of the pond to reach point b. about how many meters would be saved if it were possible to walk through the pond? a. 11 m b. 20 m c. 30.45 m d. 21.73 m
Answers: 1
question
Mathematics, 21.06.2019 16:30
Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2
Answers: 2
question
Mathematics, 22.06.2019 02:30
Grading scale 1 has the following weights- (tests- 50% quiz- 25% homework- 15% final exam- 10%). calculate your final average if your performance in the class is as follows-test grades- {88, 84, 90, 75, 70, 81); quiz grades- {88, 67, 90, 90, 45, 99, 76, 98, 100}; homework- 90; final exam- 75
Answers: 1
You know the right answer?
01. Para se propagar, o som precisa de um meio, que pode ser a água, o ar, ou ainda os materiais sól...
Questions
question
Mathematics, 26.08.2021 15:10
question
History, 26.08.2021 15:10
question
Mathematics, 26.08.2021 15:10
question
Mathematics, 26.08.2021 15:20
question
Social Studies, 26.08.2021 15:20
Questions on the website: 13722359