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3 years ago

asap Explain how waves, energy and matter are related.

Physics

2 answers:

shepuryov [24]3 years ago

6 0

Waves are rhythmic disturbances that carry energy without carrying matter.

alexandr1967 [171]3 years ago

4 0

They are related because they are all important elements in physical science. They all deal with motion and the movement of molecules ( also volume).

Please vote my answer brainliest. thanks!

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2 years ago

Read 2 more answers

Two molecules of lithium are combined with 225 grams of bromine to form two molecules of lithium bromide. If you end up with 690

4vir4ik [10]

The amount of Li present to start the reaction is 55.18g

Explanation:

2Li + Br₂ → 2LiBr

Molecular weight of Br₂ = 159.808 g/mol

Mass of Br₂ present = 225 g

Moles of Br₂ present during the reaction = 225 / 159.808

m = 1.4

Molecular weight of LiBr = 86.845 g/mol

Mass of LiBr formed = 690 g

moles of LiBr produced = 690 / 86.845

m(LiBr) = 7.95

According to the balanced equation, 2 molecules of Li reacts to for 2 molecule of LiBr

So, 7.95 moles of LiBr would require 7.95 moles of Li

The molecular weight of Li is 6.941 g/mol

Thus, the amount of lithium present to start the reaction is

$moles = \frac{given weight}{molecular weight} \\\\7.95 = \frac{w}{6.941} \\\\w = 55.18g$

Therefore, the amount of Li present to start the reaction is 55.18g

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3 years ago

would the phases of the moon be affected if the moon didn't make one rotation for each revolution of earth?

Aleks [24]

As long as the moon orbits the Earth in the same way, the phases will be the same.

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3 years ago

A 0.5kg ball of clay originally moving at 6 m/s strikes a wall and comes to rest in 0.25s, what is the magnitude of the impulse

Alex787 [66]

Answer:

C I did USA testprep

Explanation:

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3 years ago

Place the single weight with a known mass on the spring and release it. Eventually, the weight will come to rest at an equilibri

aliya0001 [1]

Answer:

X=m*g/K

Explanation:

Since the elastic force of the spring is balancing the force of gravity:

Fe = m*g

Now, on the spring by Hook's law, the magnitude of the elastic force will be:

Fe = K*X where K is the elastic constant of the spring and X is the distance the spring is strectches measured from its original lenght to its current length.

Replacing this value:

K*X = m*g Solving for X:

X = m*g/K This value is directly proportional to the object's weight and inversely proportional to the spring's constant.

3 0

4 years ago

*asap* Explain how waves, energy and matter are related.

asap Explain how waves, energy and matter are related.