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3 years ago

7

Which of the following is three dimensional an infinitely large

1 answer:

ki77a [65]3 years ago

8 0

What are the following?? You have to post the pictures as well

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F(0)=2, f(2)=4, linear equation?

Solnce55 [7]

If you separate those into points (0,2) and (2,4) then figure out the slope by using the equation y2-y1 divided by x2-x1, you'll get 4-2 over 2-0 which gives you 2/2 or 1. You found the slope so you can plug that into the slope-intercept equation y-y1=m(x-x1). For you, it'd be y-2=1(x-0), you end up with the equation y=x+2.

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3 years ago

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A spinning giant star of initial radius R1 and angular speed ω1 suddenly collapses radially inward reaching a new radius R2 = 0.

tiny-mole [99]

Answer:

K1/K2=4

Step-by-step explanation:

The kinetic energy of a rotating sphere is given by:

$K=\frac{I*\omega^{2} }{2}$

The moment of inertia of a solid sphere is given by

$I=\frac{2MR^{2} }{5}$

The initial kinetic energy is therefore

$K_1=\frac{2MR^{2}*\omega^{2} }{10}$

$K_1=\frac{MR_1^{2}*\omega^{2} }{5}$

The final kinetic energy is given by

$K_2=\frac{MR_2^{2}*\omega^{2} }{5}$

Therefore the relation K1/K2 if R2 = 0.5R1

$\frac{K_1}{K_2} =\frac{5M(R_1)^{2}*\omega^{2} }{5*M(0.5R_1)^{2} \omega^{2}}$

The text says nothing about the final angular velocity just the collapse of the collapse of the radius

$\frac{K_1}{K_2} =\frac{1 }{(0.5)^{2} }=4$

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3 years ago

Compare the decimals 0.29__0.3

Nostrana [21]

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Are the answers the first line is for the first question same for the second and 3rd

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Is (1, -7) a solution of y=x-8?<br> Νο<br> Yes

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An athletic coach conducted an experiment to test whether a four-week stretching and flexibility program reduces the number of m

son4ous [18]

Answer:

The remaining 15 athletes did not participate in any type of flexibility program

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