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butalik [34]
3 years ago
9

Anyone know the answer to this? Feel free to explain :)

Physics
1 answer:
katovenus [111]3 years ago
6 0

Water waves in ripple tank is an example of trasverse wave. It means that the water molecules vibrate perpendicular to the direction of the movement of wave.

For example, if the water wave is moving from left to right then the water molecules vibrate up and down.

Sound waves produced by the motor is an example of longitudinal wave. It means air particles vibrate parallel to the direction of movement of wave.

For example, if sound wave is moving from left to right, the particle will also vibrate left to right.

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All animals need oxygen. We get oxygen from the air we breathe. How do fish get theirs?
Finger [1]
Um, I not positive, but I think fish don't need oxygen.

6 0
3 years ago
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How much energy must be absorbed by water with a mass of 0.5 kg in order to raise the temperature from 30°C to 65°C? Note: Water
kvasek [131]

Answer:

73325J

Explanation:

Given parameters:

Mass of water  = 0.5kg

Initial temperature  = 30°C

Final temperature  = 65°C

Specific heat capacity  = 4190J/kg°C

Unknown:

Amount of energy absorbed = ?

Solution:

The amount of energy absorbed can be derived using the expression below;

                H  = m c Δt

H is the amount of energy

m is the mass

c is the specific heat

Δt is the change in temperature

      H  = 0.5 x 4190 x (65 - 30 )

     H  = 73325J

6 0
3 years ago
Marina is staring at an optical illusion where he sees a version of the American flag that is colored green, yellow, and black.
k0ka [10]

Explanation:

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If the red receptor gets exhausted we will see the colour red. Likewise when we see the colour orange when we stare at the colour blue.

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3 years ago
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anyanavicka [17]
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Liters for volume of a liquid.
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tangare [24]

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