glitterfairy35681 glitterfairy35681
  • 19-03-2024
  • Physics
contestada

A man standing 48 m away from a wall fires a gun. Calculate the time after which an echo is heard. (The speed of sound in air is 320 ms⁻¹)
a. 0.30 s
b. 0.60 s
c. 0.50 s
d. 0.38 s

Respuesta :

Otras preguntas

What does this example of personification mean?"The funeral raced by me in a blur."
why is no dew formed on a windy day or when the sky is cloudy?
Find the sum of 130 cm. And 50 mm.in meters
how might a suit of armor be a good analogy for a function of the skeletal system
Describe something that you think is a public good. Explain how it is non-excludable and non-rival. State whether you think the good should be provided by the g
Find the x intercepts of y=2x^2+x-21
I really need help on my math homework please anyone
Combine like terms to simplify the expression:     7x + 3y – 2 + 6x – 1 – y2  A.–2y3 + 13x – 3  B.–y2 + 3y + 13x – 3  C.–y2 + 3y + 42x2 –3  D.–3y3 + 13x2 – 3
what is 2.48 rounded to the nearest tenth
Which of the following statements is not true about acid rain? a. Acid rain will erode marble statues b. Acid rain can change the pH of lakes and streams c.