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Nataliya [291]
2 years ago
8

Which range is the approximate audible range for humans?

Physics
2 answers:
allsm [11]2 years ago
8 0

Answer:

a

Explanation:

bcz mre than that they will be affected

nlexa [21]2 years ago
6 0

\triangleright\overline{\qquad{\qquad{\qquad{\qquad{\qquad{\qquad{\qquad{\qquad}}}}}}}}\triangleleft

\boldsymbol{Answer.}

\bullet Option [A].

\triangleright\overline{\qquad{\qquad{\qquad{\qquad{\qquad{\qquad{\qquad}}}}}}} \triangleleft

\boldsymbol{Explanation.}

Hi student! Let me help you out on this question.

The approximate audible range for humans is.

\boldsymbol{20-20,000\:Hertz\,(Hz)}.

Humans can't hear sounds lower than 20 Hz or higher than 20,000 Hz.

\boldsymbol{\therefore,\:Option\:\big[A\big]\,is\,correct.}

Hope that this helped you out! Best wishes!

\star\triangleright\boldsymbol{Reach\:far.\,Aim\,high.\,Dream\,big.}\triangleleft\star

\ddagger\it{-Greetings!-}\dagger

_______________________

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Andrew kicks a ball along a straight path. The ball rolls straight forward for 13.2 meters. Then Andrew kicks the ball straight
tresset_1 [31]

Answer: 22.7 meters

Explanation: The distance traveled is how much the ball has rolled in total, this means the lenght of the path that it has followed from begining to end.

Since it first travels 13.2 meters and then 9.5 meters, if we sum this quantities:

13.2 + 9.5 = 22.7 meters

So 22.7 is the distance that the ball has traveled.

7 0
3 years ago
A sports car accelerates uniformly from rest to a speed of 87 mi/hr in 8s. Determine: a.The acceleration of the car
Furkat [3]

Answer:

Part a)

a = 4.86 m/s^2

Part b)

d = 155.52 m

Part c)

v_f = 48.6 m/s

Explanation:

As we know that car start from rest and reach to final speed of 87 mph

so we have

v_f = 87 mph = 38.88 m/s

now we have

Part a)

acceleration is rate of change in velocity

a = \frac{v_f - v_i}{t}

a = \frac{38.88 - 0}{8}

a = 4.86 m/s^2

Part b)

distance moved by car with uniform acceleration is given as

d = \frac{v_f + v_i}{2} t

d = \frac{38.88 + 0}{2} 8

d = 155.52 m

Part c)

As we know that the car start from rest

so final speed after t = 10 s

v_f = v_i + at

v_f = 0 + (4.86)10

v_f = 48.6 m/s

3 0
3 years ago
What is released when rocks shift or move along a tectonic plate boundary?
Phoenix [80]

Answer:

juuhu

Explanation:

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6 0
2 years ago
Why is tungsten used as a filament in a bulb?
Viktor [21]

Answer:

because of tungsten's high melting point

Explanation:

7 0
3 years ago
What is the marble's range if it is fired horizontally from 1.6 m above the ground?
cupoosta [38]

Answer:

The answer is 6.40 meters.

Explanation:

The speed v = √(2gh)

v = √( 2×9.8×6.4) = 11.2 m/s

After, finding the time it takes to hit the ground from a height of 1.6 meters.

time = √(2H÷g)

time = √(2×1.6÷9.8)

time = 0.5714 seconds.

Horizontal distance is speed × time = 11.2 × 0.5714 = 6.40 meters.

5 0
3 years ago
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