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Dennis_Churaev [7]
3 years ago
6

Based on its location on the periodic table, which element is the best

Physics
2 answers:
jeka943 years ago
8 0

Answer:c

Explanation:

tankabanditka [31]3 years ago
5 0
Answer :C. Calcium


C
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Alona [7]

Answer:

Bar graph

Explanation:

each day collects data so a bar graph would work.

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Two objects feel 200 N of force due to gravity between them. If the mass of one object was doubled, what would be the new force
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Describe how a shovel makes moving dirt easier. Use the words “resistant force,” “effort force,” and “distance.” Tell what kind
timurjin [86]

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3 years ago
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A car moves in a straight line such that for a
jeyben [28]

Answer:

s = 90 m

a = 56 m/s²

Explanation:

I will ASSUME that your equation is silly as it reduces to V = 11t which is constant, and that you mean V = 9t² + 2t

Position is the integral of differential velocities

s = \int\limits^3_0 {9t^2 + 2t} \, dt

s = 3t³ + t² | from 0 to 3

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acceleration is the derivative of velocity

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3 0
3 years ago
Monochromatic light from a distant source is incident on a slit 0.705 mm wide. On a screen 2.13 m away, the distance from the ce
vampirchik [111]

Answer:

492.183 nm

Explanation:

x = Distance from the central maximum to the first minimum = 1.35 mm

l = Distance of screen = 2.13 m

d = Distance of gap = 0.705 mm

m = Order = 1

We have the relation

tan\theta=\dfrac{x}{l}\\\Rightarrow \theta=tan^{-1}\dfrac{1.35\times 10^{-3}}{2.13}\\\Rightarrow \theta=0.04^{\circ}

dsin\theta=m\lambda\\\Rightarrow \lambda=\dfrac{dsin\theta}{m}\\\Rightarrow \lambda=\dfrac{0.705\times 10^{-3}\times sin0.04}{1}\\\Rightarrow \lambda=4.92183\times 10^{-7}=492.183\ nm

The wavelength of the light is 492.185 nm

5 0
3 years ago
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