What do volcanoes look like inside?

Answers

Answer 1
Answer: Have lava inside boiling hot if not just probably look like a crater.
Answer 2
Answer: they have a huge vertical pipe in the center going down. while going down, there are branches extending outwards. think of it as a tree. those branches are way thinner than the pipe in the middle. Those branches don't always reach the surface though...

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Some equipment that was in operation caused continuous amplification of vibrations in a structure being worked on this type of vibration is
2 QUESTIONS HELP PLZ...:/Which of the following is not part of the structure of a comet? A. Coma B. Head C. Dust tail D. Nucleus How far can light travel in one year? A. 300,000 km B. 30 million km C. 10 trillion km D. 100 billion km THANKS IF ANYONE CAN HELP =)

Which is best example of s force counteracting Fp?

Answers

Answer:

two children pulling apart a wishbone

Explanation:

Un herrero calienta un trozo de acero en un horno para poder forjarlo.A medida que aumenta la temperatura del metal ¿Que ocurre con su densidad?¿Aumenta o disminuye? Explica tu respuesta

Answers


La densidad del metal disminuye a medida que se calienta . Piense en el agua . Cuando hace frío , se convierte en hielo , lo cual es muy densa . Cuando hace calor , se evapora en gas , que no es denso. 

Espero que esto no es confuso , yo no soy un hablante nativo de español .

Which materials are the best thermal insulators?a) metals

b) solids

c) liquids

d) gases

Answers

I think that the answe is gasses.

gases nova net

hope it helps


A 3.7 kg object is lifted to a Hight of 3 meters what is the potential energy of this object

Answers

Gravitational potential energy = (mass) x (gravity) x (height)

PE = (3.7) x (9.81) x (3)
= 108.89 kilogram-meters²/second
= 108.89 newton-meters
= 108.89 joules

When the engineer first sees the car, the locomotive is 100m from the crossing and its speed is 30m/s. If the engineer reaction time is 0.47 s what should the magnitude of the minimum deceleration to avoid an accident?

Answers

Answer:

The deceleration must have the engineer to avoid the accident is

a=-5.238 (m)/(s^(2) )

Explanation:

x_(0)=100m\nv_(0)=30 (m)/(s) \nt=0.47 s

While the engineer reacts the train continue moving so

x_(f) = v*t= 30(m)/(s) *0.47s= 14.1 m

x_(t)=  x_(o)+x_(f)\nx_(t)=  100m-14.1m=85.9m

Now the final velocity have to be zero so using equation can find deceleration

V_(f) ^(2) =V_(o) ^(2)+2*a*x_(f)\n  0= V_(o) ^(2)+2*a*x_(f)\na=-(V_(o) )/(2*x_(f))\na=-((30(m)/(s)) ^(2) )/(2*85.9m) \na=-5.238 (m )/(s^(2) ) } \n

If the period wave is 6 seconds what is its frequency

Answers

Answer:

.17Hz

Explanation:

The formula for frequency is f= 1/T , where T is the period.

f = 1/6 and 1/6 ≈ .17