PHYSICS HIGH SCHOOL

Which statement BEST describes how the body moves?a. Skeletal muscles, which are made of fibers, nerves, and blood vessels, contract in order to make the body move.
b. Cardiac and smooth muscles are made of muscle fibers, nerves, and cartilage and are responsible for all movement in the body.
c. Smooth muscles, which are made of blood vessels, fibers, and nerves, allow for all activities that use slow-twitch muscle fibers.
d. Skeletal muscles, which are made of tendons, nerves, and fibers, line the body cavities and allow for support and movement.

Answers

Answer 1

Answer:

Answer;

A. Skeletal muscles, which are made of fibers, nerves, and blood vessels, contract in order to make the body move.

Explanation;

Muscular tissues functions in movement and locomotion through its direct connection with the skeletal system.
Skeletal muscles are responsible for moving the body. The skeletal muscle contractions pull on tendons, which as attached to bones. When the skeletal muscle contraction causes the muscle to shorten, the bone and thus the body par will move.
Skeletal muscles also provide structural support for the entire body.

Answer 2

Answer:

Answer:

Skeletal muscles, which are made of fibers, nerves, and blood vessels, contract in order to make the body move.

Explanation:

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Answers

they are often arranged in a category

arranged in a chart or displayed in a graph...Pretty vague question...

Audition begins when sound waves strike the ________,causing it to vibrate. A) eardrum B) anvil C) stirrup D) cochlea

Answers

Answer: A) eardrum

Explanation: Audition refers to the sense of hearing. It is the process by which sound waves are perceived and interpreted by our brain. When sound waves enter the ear, they cause the eardrum to vibrate. These vibrations then travel further into the inner ear, leading to a chain of events that ultimately allows us to interpret and understand the sounds that we hear. Therefore, A is correct.

That's it!

A resistor is connected in series with an AC source that provides a sinusoidal voltage of v of t is equal to V times cosine of begin quantity omega times t end quantity, where V is the maximum voltage, omega is the angular frequency, and t is the time. The current supplied by this source that flows through this resistor is described with the function i of t is equal to I times cosine of begin quantity omega times t end quantity, where I is the maximum current. What is the average power supplied by this AC source?

Answers

Answer:

In circuits, the average power is defined as the average of the instantaneous power over one period. The instantaneous power can be found as:

$p(t)=v(t)i(t)$

So the average power is:

$P=(1)/(T)\intop_(0)^(T)p(t)dt$

But:

$v(t)=v_(m)cos(\omega t) \n \n i(t)=i_(m)cos(\omega t)$

So:

$P=(1)/(T)\intop_(0)^(T)v_(m)cos(\omega t)i_(m)cos(\omega t)dt \n \n P=(v_(m)i_(m))/(T)\intop_(0)^(T)cos^(2)(\omega t)dt \n \n But: cos^(2)(\omega t)=(1+cos(2\omega t))/(2)$

$P=(v_(m)i_(m))/(T)\intop_(0)^(T)((1+cos(2\omega t))/(2) )dt \n\nP=(v_(m)i_(m))/(T)\intop_(0)^(T)[(1)/(2)+(cos(2\omega t))/(2)]dt \n\nP=(v_(m)i_(m))/(T)[(1)/(2)(t)\right|_0^T +(sin(2\omega t))/(4\omega) \right|_0^T] \n \n P=(v_(m)i_(m))/(2T)[(t)\right|_0^T +(sin(2\omega t))/(2\omega) \right|_0^T] \n \n P=(v_(m)i_(m))/(2)$

In terms of RMS values:

$V_(RMS)=V=(v_(m))/(√(2)) \n \n I_(RMS)=I=(i_(m))/(√(2)) \n \n Then: \n \n P=VI$

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Answers

a. True. The SI unit for measuring temperature is the degree Celsius

B. False

because Temperature (T) has SI unit Kelvin (K)

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Answers

A.. The gravitational pull of the sun

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Answers

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