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3 years ago

7

Power compression is caused by two things: 1) The heating up of a driver's voice coil which causes the impedance of the speaker

to increase. 2) As speakers are pushed harder they near their mechanical limits and they become non-linear.

1 answer:

Morgarella [4.7K]3 years ago

7 0

sexxxxxxxzzzzz upppppppp

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When you push a child on a swing, you are doing work on the child because _____.

max2010maxim [7]

ur answer is A or also known as

When you push a child on a swing, you are doing work on the child because you are pushing against the force of gravity

hope this helps :)

8 0

3 years ago

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Astronomers observe two separate solar systems each consisting of a planet orbiting a sun. The two orbits are circular and have

Oxana [17]

Answer:

(D) 3

Explanation:

The angular momentum is given by:

$\vec{L}=\vec{r}\ X \ \vec{p}$

Thus, the magnitude of the angular momenta of both solar systems are given by:

$L_1=Rm_1v_1=Rm_1(\omega R)=R^2m_1(\frac{2\pi}{T_1})=2\pi R^2\frac{m_1}{T_1}\\\\L_2=Rm_2v_2=2\pi R^2\frac{m_2}{T_2}$

where we have taken that both systems has the same radius.

By taking into account that T1=3T2, we have

$L_1=2\pi R^2\frac{m_1}{3T_2}=\frac{1}{3}2\pi R^2\frac{1}{T_2}m_1=\frac{1}{3}\frac{L_2}{m_2}m_1$

but L1=L2=L:

$L=\frac{1}{3}L\frac{m_1}{m_2}\\\\\frac{m_1}{m_2}=3$

Hence, the answer is (D) 3

HOPE THIS HELPS!!

3 0

3 years ago

Where is hydrogen grouped on the periodic table?

k0ka [10]

Answer:

I think it is D but don't count on it

4 0

3 years ago

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The soccer game begins with a ______ ______ in the center of the field

blagie [28]

It begins with a kick-off

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3 years ago

Heights of men on a baseball team have a bell-shaped distribution with a mean of 166 cm 166 cm and a standard deviation of 5 cm

kaheart [24]

Answer:

95 %

99.7 %

Explanation:

$\mu$ = 166 cm = Mean

$\sigma$ = 5 cm = Standard deviation

a) 156 cm and 176 cm

$166-5\times 2=156$

$166+5\times 2=176$

From the empirical rule 95% of all values are within 2 standard deviation of the mean, so about 95% of men are between 156 cm and 176 cm.

b) 151 cm and 181 cm

$166-5\times 3 =151$

$166+5\times 3=181$

The empirical rule tells us that about 99.7% of all values are within 3 standard deviations of the mean, so about 99.7% of men are between 151 cm and 181 cm.

3 0

3 years ago