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babunello [35]
2 years ago
6

The loudness of a sound depends on the sound wave's ________. A. frequency B. pitch C. amplitude D. density

Physics
2 answers:
Archy [21]2 years ago
3 0
The answer is C.amplitude
kirill [66]2 years ago
3 0

Answer:

Frequency or amplitude

Explanation:

nun

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Acceleration = change of velocity divided by time interval = Δv/Δt.
MariettaO [177]

Answer:

a=2.378 m/s^2

Explanation:

a=Δv/Δt------eq(1)

Δv=Vf-Vi=120 km/h-0 km/h=120 km/h

or Δv=33.3 m/sec

or time=t=14s

putting values in eq(1)

a=33.3/14

a=2.378 m/s^2

6 0
3 years ago
Zoe finds that the temperature of a substance is 12 degrees Celsius. What does this tell Zoe about the substance?
maks197457 [2]
Given the temperature, we can tell if the substance is cold or not relative to the reference temperature. For example, compared to the substance having a temperature of 15 degrees C, the substance is colder and it is hotter from the substance of temperature lesser than 12 degrees C. 
5 0
3 years ago
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Worried that your cat may be ambushed by a mountain lion, you build a fence around
julia-pushkina [17]

Answer:

there speed must be 180

3 0
2 years ago
Describe What It Was Like Before The Big Bang. Vision It In Your Head.
Inessa05 [86]
That's a loaded question. Well to me, through what I have heard from others and theories, I imagine there was other universes before us. It wasn't just nothingness, there was another universe, perhaps in another dimension that either ended or is still around today. Alternate dimensions are a theory, so it was probably just a matter of when ours would be born. We could've been the result of reaching the singularity in a black hole or we could've been the continuation of a grand generation of universes. Either way, I think before us there was other things that filled the void of darkness that we imagine to be before us.
8 0
3 years ago
An object is initially moving at an unknown velocity. It accelerates at a rate of 2.0 m/s2 to a new velocity of 45 m/s in 10s. W
katrin2010 [14]

Answer:

Initial velocity=25m/s

Explanation:

acceleration(a)=2m/s^2

Final velocity(v)=45m/s

Time(t)=10seconds

Initial velocity(u)=?

V=u+axt

45=u+2x10

45=u+20

u=45-20

u=25m/s

6 0
3 years ago
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