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3 years ago

Why might political parties prefer closed primaries to open primaries

Physics

1 answer:

sweet [91]3 years ago

5 0

In a closed primary, only voters registered with a given party can vote in that party's primary.

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The curved line PQR is the velocity-time graph for a car starting from rest.

Elden [556K]

His. Curbs I b h bs. H b u b

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3 years ago

calculate the diameter of a silver wire of length 75cm , which is extended by 1.85mm when a 10kg mass is suspended from it's end

sdas [7]

Answer: $0.8\ mm$

Explanation:

Given

length of wire $l=75\ cm$

change in length $\Delta l=1.85\ mm$

mass of wire $m=10\ kg$

Young's modulus for silver $E=7.9\times 10^{10}\ N/m^2$

load on wire $F=mg$

$F=10\times 9.8=98\ kg$

change in length is given by

$\Delta l=\dfrac{Pl}{AE}$

Where A=area of cross-section

$A=\dfrac{Pl}{\Delta lE}$

$A=\dfrac{98\times 0.75}{1.85\times 10^{-3}\times 7.9\times 10^{10}}$

$A=\dfrac{73.5}{14.615\times 10^{7}}$

$A=5.029\times 10^{-7}\ m^2$

also wire is the shape of cylinder so cross-section is given by

$A=\dfrac{\pi d^2}{4}=5.029\times 10^{-7}\ m^2$

$\Rightarrow d^2=\dfrac{5.029\times 10^{-7}\times 4}{\pi }$

$\Rightarrow d^2=64.02\times 10^{-8}$

$\Rightarrow d=8\times 10^{-4}\ m$

$\Rightarrow d=0.8\ mm$

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3 years ago

Students can take the aspire test in ninth and grade

Simora [160]

The answer is Ninth and Tenth grade so the answer would be B

I hope this helps you

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2 years ago

Read 2 more answers

The distance a wave moves from resting position

tekilochka [14]

Answer:

waving

Explanation:

it waves go to a beach and see water doesn't rest it waves

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3 years ago

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How is it possible for two objects to have the same momentum, but different velocities?

coldgirl [10]

Answer: momentum has the same direction as that of velocity but when 2 bodies with the same linear momentum & different velocities it has different masses because a vector quantity is represented by a cross product of mass and velocity of object .

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2 years ago