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Physics

1 answer:

denis-greek [22]3 years ago

8 0

Answer:

There are Microwaves, the type of electro magnetic radiation is a Micro-wave. We use x-rays, the type of electro magnetic radiation is a gamma wave. We also use radios, the type of electro magnetic radiation is a radio wave.

Explanation:

I remember doing this assignment too

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Clara and Eli used materials they could find at home to make a simple seismograph. As Clara pulls the strip of paper through the

tatyana61 [14]

Answer:

The recording that Eli and Clara's Seismograph would show will be very close to that a real Seismograph would show. This is because the mechanism they have constructed is very similar to the real one.

Explanation:

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6 0

2 years ago

Ft-Fg= ma solve for a

densk [106]

The answer is a= Ft-Fg/m

8 0

3 years ago

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A spring has a spring constant of 90N/m.How much potential energy does it store when stretched by 2 cm?

il63 [147K]

Answer:

The potential energy stored in the spring is 0.018 J.

Explanation:

Given;

spring constant, k = 90 N/m

extension of the spring, x = 2 cm = 0.02 m

The potential energy stored in the spring is calculated as;

U = ¹/₂kx²

where;

U is the potential energy stored in the spring

Substitute the given values in the equation above;

U = ¹/₂ x 90 N/m x (0.02 m)²

U = 0.018 J

Therefore, the potential energy stored in the spring is 0.018 J.

5 0

3 years ago

which element is reactive an element whose atoms atoms have seven valence electrons or a element whose atoms have eight valence

likoan [24]

Elements with 7 valence electrons are extremely reactive, while elements with 8 valence electrons practically don't react at all.

This is caused by the fact that all molecules want to have 8 valence electrons; that's just the scientific fact. So, if an element already has 8 valence electrons, it doesn't need to react with anything. If the element only has 7 valence electrons, however, it really wants to react with something with 1 valence electron to get to that special number 8.

7 0

2 years ago

What is the wave length if the distance from the central bright region to the sixth dark fringe is 1.9 cm . Answer in units of n

Yuri [45]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The wavelength is $\lambda = 622 nm$