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Nata [24]
3 years ago
14

Which picture is louder?

Physics
1 answer:
IgorLugansk [536]3 years ago
3 0

Answer:

A

Explanation:

The amplitude of a sound wave determines its loudness or volume. A larger amplitude means a louder sound, and a smaller amplitude means a softer sound.

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A cat chases a mouse across a 0.65 m high
lora16 [44]

Answer:

V = 7.5 m/s

Explanation:

Projectile motion is a two dimensional motion experienced by an object or particle that is subjected near the surface of the Earth and moves along a curved path under the influence of gravity only. The path followed by projectile motion is called projectile path.

As the cat followed the projectile path, and we know that in projectile motion the horizontal component of the velocity remains constant throughout its motion. So there is no acceleration along horizontal path.

Given data :

Height = y = 0.65 m

Horizontal distance = x = 2.7 m

Gravitational acceleration = g = 9.81 m/s²

Velocity when cat slid off the table = V = ?

As the cat slides off horizontally, So there is no vertical component of velocity or vertical component of velocity is zero.

Using 2nd equation of motion

y = 0.5 gt²

0.65 = 0.5*9.8*t²

t² = 0.1326

t = 0.36 s

Velocity when cat slid off the table = V = x / t

V = 2.7 / 0.36

V = 7.5 m/s

7 0
3 years ago
What must happen to an object in order to accelerate it?
White raven [17]

Answer:

For an object to accelerate, appropriate force must be applied to the object to cause it to change it’s velocity if it’s already in motion. However, to cause it to overcome static friction if it is at rest, and cause it to change it’s velocity

Explanation:

6 0
3 years ago
If you just saw a shooting star and wanted to write about the moment, which would be the best type of poem to write? a haiku a n
Norma-Jean [14]
I personally would write it in a Ballad format.
Ballad poems tell a story.

Narrative poems tells a story often making the voices of the/a narrator or character.

Haiku poems rarely rhyme. 

Sonnet poems are rhythmic.
6 0
4 years ago
What do the elements in group 17 of the periodic table have in common
yulyashka [42]
They are toxic and all non metals
7 0
3 years ago
Which law says that the induced voltage is directly proportional to the magnetic flux?
Vsevolod [243]
law of electromagnetic induction hope this helps 
7 0
3 years ago
Read 2 more answers
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