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Step2247 [10]
2 years ago
12

i'm begging ya'll i posted this about 3 times already and i'm really stuck. can someone please give me the answers to the cart?

i will give all my points and a brainliest.
Physics
1 answer:
Vedmedyk [2.9K]2 years ago
4 0

Answer:

just put the molecules and atoms where they belong

Explanation:

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Find the density of an object that has a mass of 5 kg and a volume of 50 cm3
serg [7]
Density = mass/volume. 5000/50= 100 grams per cubic centimeter. No substance on Earth has anywhere near that density. Tops is about 20 for osmium and gold.
3 0
3 years ago
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Young's experiment is performed with light of wavelength 502 nm from excited helium atoms. Fringes are measured carefully on a s
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Answer:

Explanation:

wave length of light λ = 502 nm

screen distance D = 1.2 m

width of one fringe = 10.2 mm / 20

= .51 mm

fringe width = λ D / a  , a is separation of slits

Puting the values given

.51 x 10⁻³ =  502 x 10⁻⁹ x 1.2 / a

a = 502 x 10⁻⁹ x 1.2 / .51 x 10⁻³

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8 0
3 years ago
In terms of newton first law of motion why is it important to wear a seat belt
lilavasa [31]

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Seatbelts stop you

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6 0
3 years ago
What will be the pressure exerterd by the 0bject if 4000n is acting on an area of 50msqure
Ivahew [28]
<h3>Given, </h3>

Force,F = 4000 N

Area,a = 50 m²

<h3>We know that, </h3>

Pressure = Force/Area

★ Putting the values in the above formula,we get:

\sf \rightarrow \: pressure =  \dfrac{4000}{50}

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7 0
3 years ago
A truck is moving north word at a constant speed the momentum of the car is
nataly862011 [7]

Answer:

its constant i think

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or its stable dunno which term will they be using

6 0
2 years ago
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