bahi7342 bahi7342
  • 28-12-2023
  • Physics
contestada

A police siren has a frequency of 550 Hz as it approaches you, and 450 Hz after it has passed you and is moving away. How fast are the police traveling?
a) 50 m/s
b) 75 m/s
c) 100 m/s
d) 125 m/s

Relax

Respuesta :

Otras preguntas

What's 45 out of 58 in percentage?
how do you solve 4a/b divided by 2ac/b
1.133 g of silver nitrate was heated in an open tube. The silver residue weighed 0.720 g. During the reaction 0.307 g of nitrogen dioxide was also produced. Th
What is two thirds of 120?
8. A pattern of being late for work or for appointments is usuallyA. a habit learned early, which is nearly impossible to break.B. directly related to one's per
1.133 g of silver nitrate was heated in an open tube. The silver residue weighed 0.720 g. During the reaction 0.307 g of nitrogen dioxide was also produced. Th
1.133 g of silver nitrate was heated in an open tube. The silver residue weighed 0.720 g. During the reaction 0.307 g of nitrogen dioxide was also produced. Th
How do three planes intersect at one point?
wallpaper cost $2 per square yard how much would it cost to cover a rectangular wall that measures 15 feet by 21 feet
If -2(3y+5)=-4, find the value of 5y