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Alinara [238K]
3 years ago
11

How are waves that are created by a musical instrument and waves that

Physics
1 answer:
Wittaler [7]3 years ago
7 0

Answer:

both caused  by physical vibrations

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30 points please answer asap!
tino4ka555 [31]

Answer:

False, if its not moving there is no potential energy.

5 0
3 years ago
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A barefoot field-goal kicker imparts a speed of 54 m/s to a football initially at rest. If the football has a mass of 0.55 kg an
il63 [147K]

Answer:

Force, F = 900 N

Explanation:

Given that,

Mass of the football, m = 0.55 kg

Initial speed of the ball, u = 0

Final speed, v = 54 m/s

Time of contact, t = 0.033 s

We need to find the magnitude of the force exerted by the ball on the kicker’s foot. It is a case of second law of motion. It is equal to the rate of change of momentum. So,

F=\dfrac{\Delta p}{\Delta t}\\\\F=\dfrac{mv}{t}\\\\F=\dfrac{0.55\times 54}{0.033 }\\\\F=900\ N

So, the magnitude of the force exerted by the ball on the kicker’s foot is 900 N.

8 0
3 years ago
What properties does a loud, shrill whistle have? a.) high amplitude, high frequency
marysya [2.9K]

Answer:

a.) high amplitude, high frequency

Explanation:

Frequency and amplitude are properties of sound. Varying these properties changes how people perceive sound.

While hearing sound of a particular frequency we call it pitch i.e., the perception of a frequency of sound.

High pitch means high frequency and high frequency is perceived to have a shrill sound.

The loudness of a sound is measured by the intensity of sound i.e., the energy the sound possesses per unit area. As the amplitude increases the intensity increases. So, a loud sound will have higher density.

Hence, the loud shrill whistle will have high frequency and high amplitude.

4 0
3 years ago
En una práctica un beisbolista lanza verticalmente la bola con una velocidad de 12m/s en dirección ascendente. ¿Cuál será la alt
fgiga [73]

Answer:

Thus, the maximum height is 7.35 m.

Explanation:

initial velocity, u = 12 m/s

acceleration due to gravity, g = 9.8 m/s^2

Velocity at maximum height, v = 0 m/s

Let the maximum height is h.

Use third equation of motion

v^{2}=u^{2}-2 g h\\0 = 12\times 12 - 2 \times 9.8\times h\\h =7.35  m

8 0
3 years ago
What is Archimedes principles ???&amp;<br><br><br><br>yaha avo sab ​
vova2212 [387]

Answer:

value-added tax (VAT) is a consumption tax that is levied on a product repeatedly at every point of sale at which value has been added. ... VAT is commonly expressed as a percentage of the total cost. For example, if a product costs $100 and there is a 15% VAT, the consumer pays $115 to the merchant.

Explanation:

archemdes principle states that the boyant upward force by liquid is equal to liquid displaced by solid...

mark me as brainliest ❤️

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