Physics Middle School

If an object is travelling faster than its own sound waves, which of the following is created?

A. wave destruction

B. pressure cooker

C. velocity pulse

D. sonic boom
Help plz

Answers

Answer 1

Answer:

D

Explanation:

When an object travels faster than the speed of sound, a sonic boom is created. A ring of pressure waves (probably why wave destruction and pressure cooker are options lol) are created, which is why when you see a jet make a sonic boom there looks like a ring shaped cloud behind it. Hope this helps! For further confirmation/information, just look up sonic boom science (or else you will get sonic boom the video game)

Answer 2
D sonic boom because that’s is the answer pressure cooker cannot be the answer Cuase no

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I need help with question ii) Calculate the speed of these radio waves.
I don't know if I started it right.... I need help plss!!!

Answers

Answer:

Speed = Wavelength x Wave Frequency. In this equation, wavelength is measured in meters and frequency is measured in hertz (Hz), or number of waves per second. Therefore, wave speed is given in meters per second, which is the SI unit for speed.

Based on Newton’s 3rd Law of motion, if an archer shoots an arrow at the target, the action force is the bowstring against the arrow. Explain where the reaction force can be found.

Answers

Answer:

maybe target, not sure.

A campfire could be called.

Answers

Answer:

a fire at campsite that provides light and warmth.

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