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lozanna [386]
2 years ago
13

Do radio waves travel at the speed of sound

Physics
2 answers:
adell [148]2 years ago
8 0

Sound travels at approximately 1,100 feet per second (766 miles per hour). Radio waves travel at the speed of light, which is approximately 186,000 miles per second. This means that in the time radio waves travel the length of a football field, light can travel further than all the way around the world.

wolverine [178]2 years ago
8 0

Answer:

Explanation:

No they travel much faster than that. They are part of the family of electromagnetic radiation. They travel at the speed of light.

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A 5kg ball is on top of the school building at a height of 40m above the ground.
mojhsa [17]

Answer:

A-Caclcuate the potential energy of the ball at that height

Explanation:

(a). Mass of the Body = 10 kg.

Height = 10 m.

Acceleration due to gravity = 9.8 m/s².

Using the Formula,Potential Energy = mgh

= 10 × 9.8 × 10 = 980 J.

(b). Now, By the law of the conservation of the Energy, Total amount of the energy of the system remains constant.

∴ Kinetic Energy before the body reaches the ground is equal to the Potential Energy at the height of 10 m.

∴ Kinetic Energy = 980 J.

(c). Kinetic Energy = 980 J.

Mass of the ball = 10 kg.

∵ K.E. = 1/2 × mv²

∴ 980 = 1/2 × 10 × v²

∴ v² = 980/5

⇒ v² = 196

∴ v = 14 m/s.

3 0
2 years ago
The plate near the Artic Ridge is among those with the slower growth rates, moving slightly less than 2.5 cm/year. How much will
Aleks04 [339]
Greater than 25 . 2.5 x 10 = 30
4 0
3 years ago
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Newton believed that time and space are absolute, while Einstein believed that the ______ is absolute.
nadezda [96]

Curve of space time

8 0
2 years ago
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Which way does current always flow?
Phoenix [80]

Answer:

Electrons move through the wires in the opposite direction.

Explanation:

The direction of an electric current is by convention the direction in which a positive charge would move. Thus, the current in the external circuit is directed away from the positive terminal and toward the negative terminal of the battery.

3 0
2 years ago
What is the maximum value of the electric field in an electromagnetic wave whose average intensity is 7.35 w/m2 ?
anastassius [24]

The maximum value of the electric field in an electromagnetic wave is 23.54 V/m.

<h3>What is an electromagnetic wave?</h3>

The oscillations between an electric field and a magnetic field produce waves known as electromagnetic waves, or EM waves. In other words, magnetic and electric fields oscillate to form electromagnetic (EM) waves.

Electromagnetic waves are produced when an electric field and a magnetic field interact. They are referred to as "electromagnetic" waves as a result. An electromagnetic wave's electric field and magnetic field are perpendicular to one another (at right angles). Additionally, they are perpendicular to the EM wave's direction.

In vacuum, EM waves move at a fixed speed of 3.00 x 108 ms-1. Neither the magnetic field nor the electric field can deflect them. However, they might show diffraction or interference. An electromagnetic wave can pass through any medium, including vacuum, solid materials, and air. It can spread or move from one area to another without the use of a medium. On the other hand, mechanical waves (such as sound waves or water waves) require a medium to propagate. Transverse waves include EM waves. The height and distance between the highest and lowest points of two successive waves, respectively, are thus used to measure them.

The highest point of a wave is referred to as the "crest," and the lowest point as the "trough." A variety of frequencies can be created by dividing up electromagnetic waves. The electromagnetic spectrum is what is meant by this. Radio waves, microwaves, infrared waves, X-rays, gamma rays, and other types of waves are EM waves.

To learn more about the, electromagnetic wave visit:

brainly.com/question/12289372

#SPJ4

7 0
1 year ago
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