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Damm [24]
3 years ago
15

Would you hear an echo if you shouted in your bedroom? Explain your answer.

Physics
1 answer:
nasty-shy [4]3 years ago
6 0

Answer:

no you would not hear an echo if you shouted in your bedroom

Explanation:

Echo is a sound produced when the original sound is reflected by walls of a given room. ... So for the case of a bedroom, no echo is produced because there are stuff and the furniture block the sound from reaching the wall hence no bouncing back of sound.

so sorry if i'm wrong :)

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PLEASE HELP 100 POINTS! Please fill in the scale distance from sun and diversion factor, listing off the numbers works
steposvetlana [31]

Solved your another question same like this with scaling to Cm this time we go with metre(m)

Scale factor

  • 1km=10³m
  • 1m=10^{-3}km

Mercury

  • 58000m

Ven us

  • 108000m

Earth

  • 150000m

Mars

  • 228000m

Jupiter

  • 778000m

Saturn

  • 1430000m

Uranus

  • 2870000m

Neptune

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7 0
2 years ago
A pin fin of uniform, cross-sectional area is fabricated of an aluminum alloy (k = 160 W/m-K). The fin diameter is D = 4 mm, and
frozen [14]

Answer:

Given that

D= 4 mm

K = 160 W/m-K

h=h = 220 W/m²-K

ηf = 0.65

We know that

m=\sqrt{\dfrac{hP}{KA}}

For circular fin

m=\sqrt{\dfrac{4h}{KD}}

m=\sqrt{\dfrac{4\times 220}{160\times 0.004}}

m = 37.08

\eta_f=\dfrac{tanhmL}{mL}

0.65=\dfrac{tanh37.08L}{37.08L}

By solving above equation we get

L= 36.18 mm

The effectiveness for circular fin given as

\varepsilon =\dfrac{2\ tanhmL}{\sqrt{\dfrac{hD}{K}}}

\varepsilon =\dfrac{2\ tanh(37.08\times 0.03618)}{\sqrt{\dfrac{220\times 0.004}{160}}}

ε = 23.52

5 0
2 years ago
Read 2 more answers
When you drop a object on earth, earth gets pulled slightly toward that object as well. How do I calculate the force if the eart
kiruha [24]

The gravitation force with which the earth is being pulled can be determined by applying Newton's law of universal gravitation.

<h3>What is gravitation force?</h3>

According Newton's law of universal gravitation, the force exerted between two objects in the universe is directly proportional to the product of masses of the two objects and inversely proportional to the square of the distance between the two objects.

Mathematically, the formula for gravitation force is given as;

F = GmM/R²

where;

  • m is the mass of the object
  • M is mass of earth
  • R is the distance of the object from earth
  • G is universal gravitation constant

If the mass of the object is know and the distance between earth  and the object is also known, the force with which the earth is being pulled can be calculated by applying Newton's law of universal gravitation as shown in the above equation.

Thus, the force with which the earth is being pulled can calculated as well.

Learn more about gravitation force here: brainly.com/question/27943482

#SPJ1

7 0
1 year ago
25 POINTS PLS ANSWER
Olegator [25]

Answer:

A

Explanation:

a statement that can be used to predict the motions of two objects only under special conditions

4 0
3 years ago
¿Cuáles son los fenómenos que no se pueden explicar con la teoría corpuscular de la luz?
maxonik [38]
The answer is diffraction or interference
5 0
3 years ago
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