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Viktor [21]
3 years ago
11

write at least 5 sentences answering the question, "How does the height of a ramp affect the speed of an object rolling down tha

t ramp?"
Physics
1 answer:
Salsk061 [2.6K]3 years ago
7 0

Answer:

i dont care bout nunnadt shi

Explanation:

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Two cello strings, with the same tension and length, are played simultaneously. Their fundamental frequencies produce audible be
qwelly [4]

Explanation:

Let f₁ is the fundamental frequency, f_1=8\ Hz

Lower pitch frequency, f_2=220\ Hz

Fundamental frequency is, f_1=\dfrac{1}{2L}\sqrt{\dfrac{T}{\mu_1}}.....(1)

Lower frequency is, f_2=\dfrac{1}{2L}\sqrt{\dfrac{T}{\mu_2}}..............(2)

Dividing equation (1) and (2) as :

\dfrac{f_1}{f_2}=\sqrt{\dfrac{\mu_2}{\mu_1}}

\dfrac{\mu_2}{\mu_1}=(\dfrac{f_1}{f_2})^2

\dfrac{\mu_2}{\mu_1}=(\dfrac{8}{220})^2

\dfrac{\mu_2}{\mu_1}=0.00132

So, the ratio of  linear mass density μ of the string with the higher pitch to that of the string with the lower pitch is 0.00132. Hence, this is the required solution.

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3 years ago
What is another unit for momentum besides kg-m/s?<br> a. N<br> b. N-s<br> c. N-s2<br> d. N/s
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'Newton-second' is dimensionally equivalent to 'kilogram-meter/second'.
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PLEASE HELP!! <br><br> 6. What amount of force is needed to accelerate a 560kg bus at 1.4m/s??
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Voices of swimmers at a pool travel 400 m/s through the air and 1,600 m/s underwater. The wavelength changes from 2 m in the air
frosja888 [35]

The frequency of the wave has not changed.

In fact, the frequency of a wave is given by:

f=\frac{v}{\lambda}

where v is the wave's speed and \lambda is the wavelength.

Applying the formula:

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f=\frac{400 m/s}{2 m}=200 Hz

- underwater, the frequency of the wave is:

f=\frac{1600 m/s}{8 m}=200 Hz

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choice B

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