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3 years ago

SKILL LEVEL:

Physics

1 answer:

Rudik [331]3 years ago

7 0

Answer:

The Doppler effect is a change in the frequency of sound waves that occurs when the source of the sound waves is moving relative to a stationary listener. Sound waves that are closer together have a higher frequency, and sound waves that are farther apart have a lower frequency.

Explanation:

hope it helps you

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Phantasy [73]

Answer:

Explanation:

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3 years ago

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The spacing between the plates of a 1.0 μF capacitor is 0.050 mm. a) What is the surface area of the plates? b) How much charge

nataly862011 [7]

Answer:

(a) surface area of the plate will be equal to $1.129m^2$

(b) Charge on the capacitor is equal to $1.5\times 10^{-6}C$

Explanation:

We have given spacing between the plates d = 0.05 mm = $5\times 10^{-5}m$

Value of capacitance $C=1\mu F=10^{-6}F$

(A) Capacitance of a parallel plate capacitor is equal to $C=\frac{\epsilon _0A}{d}$

So $10^{-6}=\frac{8.85\times 10^{-12}\times A}{10^{-5}}$

$A=1.129m^2$

So surface area of the plate will be equal to $1.129m^2$

(B) It is given that capacitor is charged by 1.5 volt

So voltage V = 1.5 volt

Charge on the capacitor is equal to $Q=CV$

So $Q=1.5\times 10^{-6}C$

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3 years ago

solar panels convert light energy from sunlight into electricity energy what material is most likely used in solar panels and wh

klasskru [66]

Solar panels convert light energy from sunlight into electricity energy , Metalloid is most likely used in solar panels The answer is : A metalloid is used because it is a semiconductor and can become more conductive when more light shines on it. Metalloids are shiny, semiconductive and they are brittle.

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3 years ago

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4. How will you find the volume of an irregularly shaped object that would dissolve in water?

Dimas [21]

Um you should putting it in a object that it can fill then go from there

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3 years ago

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A student placed a ladder up against a wall as shown below. The normal force applied by the wall in the ladder will be directed:

solmaris [256]

The normal force is always perpendicular to the surface. So it would be straight to the left of the wall

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