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3 years ago

13

The gravitational force between the sun and every object in the solar system helps keep each object in its own unique orbit arou

nd the sun. Lesson 3. 03 Question 2 options: True False.

2 answers:

saw5 [17]3 years ago

8 0

Answer:

True

Explanation:

i did the Quiz

Kazeer [188]3 years ago

3 0

Answer:

A: true

Explanation:

I took the test its right, trust me I got 100%

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3. The illustration shows all the forces in Newtons (N) acting on a box.

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3 years ago

A 56.88 kg diver hits the water going 10 m/s. From what height in meters platform did she jump?

Otrada [13]

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3 years ago

Suppose that the strings on a violin are stretched with the same tension and each has the same length between its two fixed ends

lesya692 [45]

Answer:

0.00384 kg/m

Explanation:

The fundamental frequency of string waves is given by

$f=\frac{1}{2L}\sqrt{\frac{F}{\mu}}$

For some tension (F) and length (L)

$f\propto\frac{1}{\mu}$

Fundamental frequency of G string

$f_G=196\ Hz$

Fundamental frequency of E string

$f_E=659.3\ Hz$

Linear mass density of E string is

$\mu_E=3.4\times 10^{-4}\ kg/m$

So,

$\frac{F_G}{F_E}=\sqrt{\frac{\mu_E}{\mu_G}}\\\Rightarrow \frac{F_G^2}{F_E^2}=\frac{\mu_E}{\mu_G}\\\Rightarrow \mu_G=3.4\times 10^{-4}\times \frac{659.3^2}{196^2}\\\Rightarrow \mu_G=0.00384\ kg/m$

The linear density of the G string is 0.00384 kg/m

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3 years ago