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Pani-rosa [81]
3 years ago
7

What does involuntary mean when we are talking about muscle tissue?

Social Studies
2 answers:
RUDIKE [14]3 years ago
6 0
A muscle that contracts without conscious control 
svetlana [45]3 years ago
6 0
A muscle that moves without you purposely doing it.
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Plz help me with this
earnstyle [38]
That lookss really hard
3 0
3 years ago
Which of the following best describes why most Africans were in the American colonies?
Alona [7]

Answer:

Black people were brought to the Americas as slaves against their will, mainly to work on farms and plantations. The vast amounts of crops that farmers planted needed people to work them, and others were too expensive to hire.

Explanation:

Most African Americans were brought to the Americas as children, which were smuggled from their home and shipped through the middle passage. Some people freed these African Americans after they died, but life was hard for people of color, as they would often be brought back into slavery after having nowhere to work.

3 0
3 years ago
Read 2 more answers
A basketball is dropped from the edge of a cliff at the same time that second basketball is thrown upward from the ground. When
pentagon [3]

Answer:

The collision occurs at a height of 1/3 of the total height of cliff.

Explanation:

The situation is represented in the attached figure:

For the stone dropped from top of cliff we have

Initial velocity of drop= 0 m/s.

Now the time at which it attains a velocity of 2v is obtained from first equation of kinematics as

v_{f}=u_{i}+gt\\\\2v=0+gt\\\\\therefore t=\frac{2v}{g}

Thus the distance it covers in this time can be calculated using third equation of kinematics as

v_{f}^{2}=v_{i}^{2}+2gh\\\\(2v)^{2}=2gh_{1}\\\\\therefore h_{1}=\frac{2v^{2}}{g}

For the stone thrown upwards the velocity at collision is give as 'v' thus the velocity at which it is thrown upwards can be calculated by first equation of kinematics as

v=v_{i}-gt\\\\\therefore v_{i}=v+gt\\\\v_{i}=v+g\times \frac{2v}{g}\\\\\therefore v_{i}=3v

The height over which it changes it's velocity from '3v' to 'v' can be again obtained from third equation of kinematics as

v^{2}=(3v)^{2}-2gh_{2}\\\\v^{2}=9v^{2}-2gh_{2}\\\\\therefore h_{2}=\frac{4v^{2}}{g}

\therefore h_{2}=2h_{1}

Thus the collision occurs at at a fraction of 1/3 of height.

6 0
3 years ago
Which role does the president perform when speaking at a political rally in support of a candidate running for congress?.
Len [333]

Answer:

A prty Leader

Explanation:

the president may endorse another politician who is in the same prty

8 0
2 years ago
A function is
irina [24]
The correct answer to this question is letter "a. the consequence that an element of society produces for the maintenance of its social system."<span>
A function is </span>the consequence that an element of society produces for the maintenance of its social system.<span>
</span>
6 0
3 years ago
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