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3 years ago

What is the role of the nervous system?

1 answer:

4 0

The nervous system is responsible for sending, receiving, and interpreting information from all parts of the body. The nervous system monitors and coordinates internal organ function and responds to changes in the external environment. (The role) The central nervous system consists of the brain and the spinal cord. It is part of the overall nervous system that also includes a complex network of neurons, known as the peripheral nervous system. (Central nervous system)

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The speed of sound in aluminum is 5200 m/s. Can you hear a sound with a

romanna [79]

Answer:

v = wavelength * frequency

frequency = 5200 m/s / .2 m = 26000 / sec

20,000 / sec is optimistic for the upper frequency of human hearing

So 26,000 is above the hearing range for human ears

5 0

3 years ago

Let's take a look at something here. I thought the 15 mph for a base runner was kind of slow. I mean, it was a heck of lot faste

frozen [14]

Answer:

The speed is 20.70 mph.

Explanation:

Given that,

Speed = 6.7 m/s = 15 mph

$1\ m/s = \dfrac{15}{6.7}$

$1 m/s =2.24\ mph$

In 10.4 m/s,

$10.4\ m/s=2.24\times10.4\ mph$

$10.4\ m/s=23.3\ mph$

If 100 m record in 10.82 sec

We need to calculate the speed

Using formula of speed

$v = \dfrac{d}{t}$

Put the value into the formula

$v=\dfrac{100}{10.82}$

$v=9.242\ m/s$

$v=9.242\times2.24\ mph$

$v=20.70\ mph$

Hence, The speed is 20.70 mph.

7 0

4 years ago

You collect some data on horse racing along a straight track. You are able to fit the motion of the horse to a function during t

Digiron [165]

Answer:

The equation is missing in the question. The equation is $10 m + 5(m/s^2)t^2+3(m/s^3)t^3$

a). $v=10 t +9t^2$ , the horse will not turn.

b). a(t) = 10 + 18t

Explanation:

Given :

$x(t)=10 m + 5(m/s^2)t^2+3(m/s^3)t^3$

∴ At t =0, x = 10 m

a). Velocity as a function of time

$v = \frac{dx}{dt}$

= $10 t +9t^2$

Turning velocity must be zero.

v(t) = 0

$10 t +9t^2=0$

$\therefore t = 0 \text{ or}\ t =-\frac{10}{9}$

Taking the positive value of time.

The horse will not turn.

b). Acceleration as a function of time.

$a(t)=\frac{dv}{dt}$

= 10 + 18t

∴ a(t) = 10 + 18t

6 0

4 years ago

Choose the molecule that has an unbalanced arrangement of charge.

Anna71 [15]

I am pretty sure that the molecule that has an unbalanced arrangement of charge is placed in the second option from the scale represented above - Nitrogen gas (a diatomic molecule, N2). This one looks the only proper. I hope you will agree with me. Regards!

8 0

3 years ago

negative charges do not build up in one place and ............................... electricity cant be created

Tems11 [23]

Spaces electricity cant be creted

8 0

4 years ago