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3 years ago

8

Give one real-life example of the Doppler Effect and explain what causes this phenomenon. Please write at least 3 complete sente

nces, using correct punctuation and spelling. (12pts)

1 answer:

Elanso [62]3 years ago

7 0

Dipper effect of an oncoming train get louder as it approaches and sound diminishes as it goes away sound traveling

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D) Since the stars would move from East to West just as the Sun and Moon do.

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2 years ago

How can magnet be used to produce an electric current

Bess [88]

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3 years ago

Plz help need answer ASAP thanks

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2 years ago

An accelerating voltage of 2.47 x 10^3 V is applied to an electron gun, producing a beam of electrons originally traveling horiz

Dmitry [639]

Answer:

6.3445×10⁻¹⁶ m

Explanation:

E = Accelerating voltage = 2.47×10³ V

m = Mass of electron

Distance electron travels = 33.5 cm = 0.335 cm

$E=\frac{mv^2}{2}\\\Rightarrow v=\sqrt{\frac{2E}{m}}\\\Rightarrow v=\sqrt{\frac{2\times 2470\times 1.6\times 10^{-19}}{9.11\times 10^{-31}}}\\\Rightarrow v=29455356.08671\ m/s$

Deflection by Earth's Gravity

$\Delta =\frac {gt^2}{2}$

Now, Time = Distance/Velocity

$\Delta =\frac {g\frac{s^2}{v^2}}{2}\\\Rightarrow \Delta =\frac{9.81\frac{0.335^2}{29455356.08671^2}}{2}\\\Rightarrow \Delta =6.3445\times 10^{-16}\ m$

∴ Magnitude of the deflection on the screen caused by the Earth's gravitational field is 6.3445×10⁻¹⁶ m

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3 years ago

Can anyone explain how tides work

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3 years ago

Read 2 more answers