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3 years ago

_____ waves are Longitudinal waves caused by an earthquake!

Physics

2 answers:

fgiga [73]3 years ago

7 0

Answer:

An earthquake generates a series of seismic waves that travel through the interior or near the surface of the Earth. ... They're compressional or longitudinal waves that push and pull the ground in the direction the wave is traveling. They usually cause very little damage.

ITS P-WAVES

Explanation:

aleksandrvk [35]3 years ago

4 0

Compressional waves

Explanation:

(longitudinal, primary, P-waves of earthquake seismology) are the fastest of all seismic waves. They propagate by compressional and dilatational uniaxial strains in the direction of wave travel through solid, liquid, and gas media.

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In a hydroelectric dam the potential energy of lake water is transformed into _ energy as it begins to more.

Marianna [84]

Answer:

mechanical energy

Explanation:

7 0

2 years ago

Read 2 more answers

A bird sits on top of a 639 m tall tower. If it's gravitational potential energy up there is 2033 J, what is its mass?

iris [78.8K]

The mass of the bird is 0.32 kg.

Explanation:

Gravitational potential energy, the energy exhibited by an object at rest due to the influence of gravitational force. So the increase in distance of object from the surface of earth leads to increase in the gravitational potential energy. Thus,

$\text {Gravitational potential energy}=m \times \text { Acceleration } \times \text { Distance of bird from bottom }$

So, as the gravitational potential energy is given as 2033 J and the position of bird placed on the tall tower is 639 m away from the bottom, then the mass (m) of the bird can be found as below.

$m o f \text { bird }=\frac{\text {Gravitational potential energy}}{a \times \text {Distance}}=\frac{2033}{9.8 \times 639}=\frac{2033}{6262.2}$

So, finally we get the bird's mass as,

m of bird = 0.32 kg

7 0

3 years ago

Kyle is wondering what he is getting for his birthday. He decides to shake the box that contains his present. Kyle did not reali

stiks02 [169]

Answer: Asking questions

Explanation:

Scientists always start with their question before

Observing anything

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3 years ago

A car travels west at 40 km/h

Nesterboy [21]

Answer:

The car is going 0 km/h more than the bike

Explanation:

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3 years ago

A 0.89 m aqueous solution of an ionic compound with the formula mx has a freezing point of -3.0 ∘c . van't hoff factor?

BigorU [14]

Answer is: Van't Hoff factor (i) for this solution is 1,81.
Change in freezing point from pure solvent to solution: ΔT =i · Kf · b.
Kf - molal freezing-point depression constant for water is 1,86°C/m.
b - molality, moles of solute per kilogram of solvent.
b = 0,89 m.
ΔT = 3°C = 3 K.
i = 3°C ÷ (1,86 °C/m · 0,89 m).

i = 1,81.

5 0

3 years ago