3 years ago

Scienceeee pizzazz helppp

Physics

1 answer:

svp [43]3 years ago

5 0

Answer:

where plates interact

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What is the mass of a 2 kg object on the Earth and on the moon?

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Answer:

Same

Explanation:

Mass is the quantity of matter in a certain object.

WHEREVER you take a 2kg object, the mass will remain 2kg. All that changes is the Weight ..Weight the force which the centre of a Planet uses to pull everything towards itself.

On earth, it is 9.81 whereas on the Moon it is 1.6

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3 years ago

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A laser beam of unknown wavelength passes through adiffraction grating having 5510 lines/cm after striking itperpendicularly. Ta

Ivahew [28]

Answer:

Explanation:

distance between two slit d = $\frac{1 \times 10^{-2}}{5510}$

d = 18.15 x 10⁻⁷ m

Let wave length of light λ

formula for position of first pair of bright spot

Tanθ = λ / d , λ is wave length of light and d is distance between two slit .

Tan 15.4 = $\frac{\lambda}{18.15\times10^{-7}}$

λ = Tan 15.4 x 18.15 x 10⁻⁷

=5 x 10⁻⁷ m

If θ be the position of next bright spot

Tanθ = 2 λ / d

= $\frac{2 \times\ 5\times\ 10^ {-7}}{18.15\times10^{-7}}$

= $\frac{2\times5}{18.5}$

θ = 28.4 degree .

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4 years ago

7. Find the speed of a 22 kg mass with a momentum of 450 kgm/s. (Round

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Answer:

i don't know if this is right but here,9900 kgm/s

Explanation:

calculator UwU

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What is the mass of a falling rock if it produces a force of 147N?

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15 killagrams i think

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