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3 years ago

What is a magnetic wave?

Physics

2 answers:

rodikova [14]3 years ago

4 0

Answer:

A magnetic waves or EM waves are waves that are created as a result of vibrations between an electric field and a magnetic field. They are hence known as 'electromagnetic' waves.

rosijanka [135]3 years ago

4 0

These waves a perpendicular to each other

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sound of thunder is heard 5s after the flash of lighting is seen. calculate the distance of nearest point of lighting if the spe

Karolina [17]

Answer:

formula

speed = distance / time

distance = speed x time

distance = 346 x 5

distance = 1730 m

The distance of the lightening strike would be 1730 m or 1.7 km

Explanation:

6 0

3 years ago

Read 2 more answers

Reactance Frequency Dependence: Sketch a graph of the frequency dependence of a resistor, capacitor, and inductor. RLC Circuit R

jolli1 [7]

Answer:

$f=\frac{1}{2\pi \sqrt{LC}}$

Explanation:

We know that impedance of a RLC circuit is given by $Z=R+J(X_L-X_C)$

So $Z=\sqrt{R^2+(X_L-X_C)^2}$ here R is resistance $X_L$ is inductive reactance and $X_C$ is capacitive reactance

To minimize the impedance $X_L-X_C$ should be zero we know that $X_L=\omega L\ and \ X_C=\frac{1}{\omega C}$

So $\omega L-\frac{1}{\omega C}=0$

$\omega ^2=\frac{1}{LC}$

$\omega =\sqrt{\frac{1}{LC}}$

We know that $\omega =2\pi f$

So $\omega =2\pi f=\frac{1}{\sqrt{LC}}$

$f=\frac{1}{2\pi \sqrt{LC}}$

Where f is resonance frequency

8 0

2 years ago

Step 1, when solving a two dimensional, multi-charge problem, is to define the vectors. Please identify the next five steps, in

Masja [62]

Step 2: calculate A and B magnitudes
Step 3: calculate x, y components
Step 4: sum vector components
Step 5: calculate magnitude of R
Step 6: calculate direction of R

4 0

3 years ago

Read 2 more answers

A 19 kg child is riding a 5.6 kg bike with a

icang [17]

Answer:

$\mathrm{a.\:}123\:\mathrm{kg\cdot m/s},\\\mathrm{b.\:}95\:\mathrm{kg\cdot m/s},\\\mathrm{c.\:}28\:\mathrm{kg\cdot m/s}$

Explanation:

The momentum of an object is given by:

$p=mv$ , where $m$ is the mass of the object and $v$ is the velocity of the object.

The mass of the child and bike together is $19+5.6=24.6$ kilograms. Since they're moving at a velocity of 5.0 m/s, their momentum is:

$p=24.6\cdot 5=\fbox{$123\:\mathrm{kg\cdot m/s}$}$ .

The mass of the child is given as 19 kg. Since the child is on the bike moving at 5.0 m/s, it's implied the child is as well. Therefore, the momentum of the child is:

$p=19\cdot 5=\fbox{$95\:\mathrm{kg\cdot m/s}$}$ .

c) The mass of the bike is given as 5.6 kg and it is moving at 5.0 m/s. Therefore, the momentum of the bike is:

<u /> $p=5.6\cdot 5=\fbox{$28\:\mathrm{kg\cdot m/s}$}$ <u />

4 0

3 years ago

Which of the following is not conserved?

ICE Princess25 [194]

B.) acceleration.
hope this helps:)

8 0

3 years ago