What is true about electromagnetic waves? Select all that apply. *
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Electromagnetic waves are faster than mechanical waves.
Electromagnetic waves can travel in vacuum.
Humans can see mechanical waves but not electromagnetic waves.
Electromagnetic waves have higher frequencies than mechanical waves.
Electromagnetic waves are made up of massless particles.

Answers

Answer 1

Answer:

electromagnetic waves are faster than mechanical waves

Answer 2

Electromagnetic are faster

Related Questions

Voyager 2 is a space probe, launched in 1977, to study the outer planets. It will continue to travel through space for thousands of years without stopping. Which one of Newton's laws does this describe?

(I'm new to this website so Im just getting the hang of it)

Answers

1st law hope this helps

Voyager 2 is a space probe, launched in 1977, to study the outer planets, it will continue to travel through space for thousands of years without stopping, and it travels on Newton's first law of motion.

What is the significance of Newton's first law of motion?

It is of great importance as it is used to predict the behavior of objects in motion like Voyager 2 and to understand performance in sports such as skiing and skating etc., and help in improvement. It is also helpful for the development of new technologies for the space program and in the understanding of mechanical systems such as vehicles, machinery, etc.

Hence, Voyager 2 is a space probe, launched in 1977, to study the outer planets, it will continue to travel through space for thousands of years without stopping, and it travels on Newton's first law of motion.

Learn more about Newton's first law of motion here.

https://brainly.com/question/29775827

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A rocket burns fuel at a rate of 249 kg/s and exhausts the gas at a relative speed of 2 km/s. Find the thrust of the rocket. Answer in units of MN.

Answers

1.791MN is the answer

What behavior of light proves that it is a wave? Hint: will this ONLY happen because light is a wave, or could it also be true of fast moving particles? Select all that apply. *

Interference between two or more light waves
Reflection of light
Absorption of light
Redshift and blueshift

Answers

It’s red shift and blue shift because This only occurs when the frequency of the wave is made longer or shorter due to the movement of the source relative to the observer

I'll give you 23 points thingy if you do this for me

Answers

Answer:

Explanation:

1. The lamp is using electrical energy to produce light energy which can possibly turn into thermal energy due to the lighbulb heating up

2.B electrical to mechanical

2. Why do you think corals have declined since 1977?

Answers

Coral and fish communities showed dramatic declines from 1977 to 1996 due to massive harbor construction and suboptimal land management practices on the watershed. More recently, corrective measures in the form of watershed stabilization and fishing regulations have been implemented.

Answer:

Written below.

Explanation:

Coral reefs are endangered by a variety of factors, including natural phenomena such as hurricanes, El Niño, and diseases; local threats such as overfishing, destructive fishing techniques, coastal development, pollution, and careless tourism; and the global effects of climate change—warming seas and increasing levels.

7) HELP ASAP PLZ PLZ HELP ME
I don't know if I am right so if I am not right can you plz help me

Answers

I believe that the answer is B

ILL GIVE BRAIYIST

True of false: Radiant energy reaches the earth in the from of both visible and invisible electromagnetic waves.

Answers

Answer:

TRUE OR FALSE : ) IT'S TRUE

EXPLAIN:

Radiation

All of the energy from the Sun that reaches the Earth arrives as solar radiation, part of a large collection of energy called the electromagnetic radiation spectrum. Solar radiation includes visible light, ultraviolet light, infrared, radio waves, X-rays, and gamma rays. Radiation is one way to transfer heat. Radiant energy spreads out from its source in all directions. ... GAMMA RAYS have more energy than XRAYS, Radio waves, microwaves and ultraviolet waves all have longer wavelengths than visible light. Both X rays and gamma rays have higher frequencies than ultraviolet rays.

can i get the crown

True, I just no because I no( trust me)

PLEASE HELP AGAIN IT IS THE MATH AND PLEASE GIVE ME REAL ANSWERS!

Answers

Answer:

Everyone would get 2 1/4 cupcakes because if you split up each cupcake by 4, (In four different pieces) everyone would get 9/4 slices. Change to a mixed number to get 2 1/4

Explanation:

Answer:

the answer is 2 1/4 is shared

In an experiment, you are studying the relationship between the force on a toy car and the change in motion, or acceleration, of the car. You place 50 N force on the car. Then using the same car you apply 100 N of force. You repeat this several times, increasing and decreasing the force on the car while keeping the mass of the car the same. whats the independent variable?

Answers

Answer:

naruto

Explanation:

Why is pH so important to maintain life?

A small change in pH in the ocean can be very harmful to sea life

Human blood is kept at a constant pH otherwise we would die

The pH of soil is very important for plant to be able to grown in it

Or all the above

Answers

I think they are right! When one of the answers is, all of the above, that is usually the correct answer. pH is important to all living things.

Which answer shows a balanced nuclear equation for the alpha decay of plutonium-239

Answers

Answer: An alpha particle is a helium-4 nucleus, it contains gwo protons and two neutrons. So, alpha decay, giving off an alpha particle, does the following:

1)reduces the atomic number (number of just protons) by two. Plutonium has atomic number of 94, take two protons away and you are left with 92 which corresponds to uranium.

2) reduces the mass number (protons plus neutrons) by 4. If you start with 239 and subtract two protons and two neutrons, you are left with 235.

Explanation:

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