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Sav [38]
2 years ago
13

Help plzzz itz importannnttt

Physics
2 answers:
krok68 [10]2 years ago
4 0

Answer:

➢ ➢ ➢ ✔3. How did Nazis treat their enemies?✔3. How did Nazis treat their enemies?

notka56 [123]2 years ago
3 0
I dont know the answer but heres some eagles for good luck
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I need help with question ii) Calculate the speed of these radio waves.
Sergeeva-Olga [200]

Answer:

Speed = Wavelength x Wave Frequency. In this equation, wavelength is measured in meters and frequency is measured in hertz (Hz), or number of waves per second. Therefore, wave speed is given in meters per second, which is the SI unit for speed.

4 0
2 years ago
Describe, using the relevant physics, how moving a magnet near a [ 1 2 ] solenoid induces a voltage across it. How does the spee
Svetllana [295]

Answer:

Explanation:

Moving a magnet might cause a change in the magnetic field going through the solenoid. Whether or not it will change depends on the movement.

According to Faraday's law of induction a voltage is induced in a coil by a change in the magnetic flux. Magnetic flux is defined as the dot product of the magnetic field (a vector field) by the area enclosed by a loop of the coil.

\Phi B = -\int{B} \, dA

The voltage is induced by the variation of the magnetic flux:

\epsilon = -N * \frac{d \Phi B}{dt}

Where

ε: electromotive fore

N: number of turns in the coil

ΦB: magnetic flux

Moving the magnet faster would increase the rare of change of the magnetic flux, resulting in higher induced voltage.

Turning the magnet upside down would invert the direction of the magnetic field, reversing the voltage induced.

5 0
3 years ago
A 16 kg object cuts 4 km in 25 minutes, find the applied force on the object?
GenaCL600 [577]

Answer:

14min i think im not quite sure

Explanation:

7 0
2 years ago
How and where is old oceanic crust destroyed?
sladkih [1.3K]

Answer:

It is destroyed in subduction zones. A Geologic process in which a tectonic plate made of dense lithospheric material melts or falls below a plate made of less-dense lithosphere at a convergent plate boundary

Explanation:

Hope this helps (:

8 0
3 years ago
Read 2 more answers
The mineral quartz has a chemical formula of SiO2. What is the formal name<br> for this compound?
lana66690 [7]

Answer:

Silicon Dioxide

3 0
2 years ago
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