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Maslowich
3 years ago
9

Study the diagram. Point C identifies the _____ of the wave.

Physics
2 answers:
zloy xaker [14]3 years ago
6 0
Answer:TroughExplanation: There are several quantities of a wave that are indicated in the figure:A) This is the point of .
Sonbull [250]3 years ago
5 0

Answer:

Amplitude : The height of the wave from the origin to the crest/peak or trough

Explanation:

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An excited hydrogen atom releases an electromagnetic wave to return to its normal state. You use your futuristic dual electric/m
Norma-Jean [14]

Answer:

Explanation:

Direction of velocity of electromagnetic wave is given by the formula

E = E j ( vector form )

B = - Bi ( vector form )

Direction of velocity = direction of vector E X B

= E X B

= E j x -Bi

= - EB -k

v = EBk

So the direction of velocity will be along z direction.

6 0
3 years ago
Hello, I am so confused about this problem, could you help ?
iVinArrow [24]

Given:

The masses of the balls, m₁=1 kg

m₂=2 kg

The height of 1 kg ball, h₁=6 m

The height of 2 kg ball, h₂=3 m

To find:

Which of the given statements are true?

Explanation:

From the law of conservation of energy, the energy can neither be created nor be destroyed. As the air resistance is negligible, the initial potential energy of the balls will be equal to their kinetic energy when they reach the ground.

Thus, the kinetic energy of the balls when they reach the ground is given by,

KE=PE=mgh

Where m is the mass of the balls, h is their respective height, and g is the acceleration due to gravity.

Thus the kinetic energy of mass m₁ is,

\begin{gathered} KE_1=1\times9.8\times6 \\ =58.8\text{ J} \end{gathered}

The kinetic energy of mass m₂ is,

\begin{gathered} KE_1=2\times9.8\times3 \\ =58.8\text{ J} \end{gathered}

The velocities of the balls will be given by the equation of kinetic energy.

Thus,

KE=\frac{1}{2}mv^2

Where v is the respective velocities of the balls when they reach the ground.

On rearranging the above equation, the velocities will be given by,

v=\sqrt{\frac{2\times KE}{m}}

On substituting the known values, the velocity of the mass m₁ is

\begin{gathered} v_1=\sqrt{\frac{2\times58.8}{1}} \\ =10.84\text{ m/s} \end{gathered}

The velocity of the mass m₂ is,

\begin{gathered} v_2=\sqrt{\frac{2\times58.8}{2}} \\ =7.7\text{ m/s} \end{gathered}

Thus the balls will have the same kinetic energies when they reach the ground. But the 1 kg ball will have a greater velocity than the 2-kg ball.

The time interval the ball takes is dependent on the height only and not on the mass. Thus the balls will not reach the ground at the same time.

Final answer:

Thus the correct answer is options are option B and option D.

6 0
1 year ago
Hi free ponits hehehehhehbhrgivudksjbtyuvwijfe
Vilka [71]

Answer:

woohoo! thanks

Explanation:

3 0
2 years ago
Read 2 more answers
In general, the further planets are from the sun, the cooler they are. what other factor can have a significant influence on a p
valkas [14]

The factor that can have a significant influence on a planet’s surface temperature is its atmosphere.

<h3>What is the role of the atmosphere in the planet's temperature?</h3>

The atmosphere plays a fundamental role in the Earth planet's temperature because it allows the entry and out of certain types of radiation that may increase the temperature.

The role of the atmosphere in the Earth's temperature is well documented because our temperature is thick and it increases its homeostatic temperature balance.

In conclusion, the factor that alters a planet’s surface temperature is its atmosphere.

Learn more about the atmosphere and temperature here:

brainly.com/question/16673509

#SPJ1

4 0
1 year ago
An alternating current is set up in an LRC circuit.
Andreyy89

Answer:

(B) Resistor only

Explanation:

Alternating Current: These are currents that changes periodically with time.

An LRC  Ac circuit is an AC circuit that contains a Resistor, a capacitor and an inductor, connected in series.

In a purely resistive circuit, current and voltage are in phase.

In a purely capacitive circuit, the current leads  the voltage by π/2

In a purely inductive circuit, the current lags the voltage by π/2.

Therefore when a alternating current is set up in LRC circuit, in the resistor, the current and the voltage are in phase.

The right option is (B) Resistor only.

7 0
3 years ago
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