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3 years ago

20pts! What are the thin fibers of the human nervous system called?

Physics

2 answers:

guajiro [1.7K]3 years ago

5 0

The nervous system thin fibers are the nerves

oksano4ka [1.4K]3 years ago

3 0

Nervous system controls the human body connecting to the brain. Nervous system thin fibers are called nerves.

Answer: A.nerves

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A bike travels at a constant speed for 4.00 m/s for 5.00 seconds. How far does it go

kicyunya [14]

Answer:

20 metres

Explanation:

Speed = distance ÷ time

$s = \frac{d}{t}$

If we substitute the values:

$4 = \frac{d}{5}$

$20 = d$

3 0

3 years ago

Read 2 more answers

In space (no gravity or friction), you throw a ball with mass 0.1 kg at a target with mass 1 kg. You throw the ball at a speed o

ioda

Answer:

Explanation:

We shall apply law of conservation of momentum in space to know the velocity of combination after the impact

m₁v₁ = m₂v₂

.1 x 4 = ( 1 + .1 ) v₂

v₂ = .3636 m /s

1 )

Kinetic energy of the combination

= 1/2 x 1.1 x ( .3636)²

= 7.3 x 10⁻² J

2 )

Initial kinetic energy of the system

= 1/2 x 0.1 x 4²

= 0.8 J

Final kinetic energy of the system = 7.3 x 10⁻²

Loss of energy = .8 - .073

= .727 J

This energy was converted into internal energy of the system .

3 )

increase in entropy = dQ / T

Here dQ = .727 J

T = 300 ( Constant )

dQ / T = 2.42 X 10⁻³ J/K

6 0

3 years ago

A candy-filled piñata is hung from a tree for Elia's birthday. During an unsuccessful attempt to break the 4.4-kg piñata, Tonja

Klio2033 [76]

Answer: v = 0.6 m/s

Explanation: Momentum Conservation Principle states that for a collision between two objects in an isolated system, the total momentum of the objects before the collision is equal to the total momentum of the objects after the collision.

Momentum is calculated as Q = m.v

For the piñata problem:

$Q_{i}=Q_{f}$

$m_{p}v_{p}_{i}+m_{s}v_{s}_{i}=m_{p}v_{p}_{f}+m_{s}v_{s}_{f}$

Before the collision, the piñata is not moving, so $v_{p}_{i}=0$ .

After the collision, the stick stops, so $v_{s}_{f}=0$ .

Rearraging, we have:

$m_{s}v_{s}_{i}=m_{p}v_{p}_{f}$

$v_{p}_{f}=\frac{m_{s}v_{s}_{i}}{m_{p}}$

Substituting:

$v_{p}_{f}=\frac{(0.54)(4.8)}{(4.4)}$

$v_{p}_{f}=$ 0.6

Immediately after being cracked by the stick, the piñata has a swing speed of 0.6 m/s.

3 0

3 years ago

Using moving water to produce electricity is an example of _____.

denis-greek [22]

Using moving water to produce electricity is an example of changing one form of energy into another form of energy.

8 0

3 years ago

If a boat travels 20 km in 3 h due north, what is the boat’s average velocity?

kipiarov [429]

Answer: 6.66666667 or 6.66 km per hour

Explanation: (velocity = distance÷time) or (v=d÷t)

8 0

3 years ago