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jasenka [17]
3 years ago
13

The multiple reflection of a single sound wave is a/an

Physics
1 answer:
JulsSmile [24]3 years ago
6 0
<span>The multiple reflection of a single sound wave is echo</span>
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Gravitational force exist between you and the building why are you not pulled towards the building?​
Nataly_w [17]

Answer:

You are pulled towards that building. At the same time, that building is pulled towards you. Neither object creates enough gravitational force to really do anything. That is why you never notice any affect by either body, (you and a building).

Explanation:

You will surely get attracted towards the building.But it takes a lot of time depending on their masses.

This happens only when you are away from earth with that building.

Both of you will get attracted to it

if a third party with mass more than you or building is with you.

If it is on the earth.. Then the gravity between you and the building is negligible compared to the earth.Hence you will not get attracted towards the building in this case.

3 0
2 years ago
Calculate their densties in Si unit.<br>200mg,0.0004m​
Kryger [21]

Question: calculate their densties in Si unit.

200mg,0.0004m​³

Answer:

0.5 kg/m³

Explanation:

Applying,

D = m/V........................ Equation 1

Where D = density, m = mass, V = volume.

From the question,

Given: m = 200 mg = (200/1000000) kg = 2.0×10⁻⁴ kg, V = 0.0004 m³ = 4.0×10⁻⁴ m³

Substitute these values into equation 1

D = (2.0×10⁻⁴ kg)/(4.0×10⁻⁴)

D = 2/4

D = 0.5 kg/m³

Hence the density in S.I unit is 0.5 kg/m³

3 0
2 years ago
What is the difference between a chemical change and a physical change? *
slavikrds [6]

Answer:

I do belive that it is B hrs cn I an gn

7 0
3 years ago
Suppose you have a dipole that's free to move in any way (including rotate - imagine it floating in space). And there's an objec
Setler [38]

Complete Question

The complete question shown on the first uploaded image

Answer:

a)

The force on Q due to dipole is Attractive

b)

The charge Q exerts attractive force on the dipole

c)

Yes from the above parts, force depends on the sign of charge

d)

   F = kQq[\frac{d^{2}+2rd}{r^{2}(d+r)^{2}} ]

e)

The magnitude o force decrease by a factor of 8.0 times

Explanation:

The explanation is shown on the second uploaded image

5 0
3 years ago
Determine the energy, in electron volts, of an emitted photon when an electron transition from n=3 to n=2 occurs
tensa zangetsu [6.8K]
Give me some answer choices and i will be happy to help
7 0
3 years ago
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