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Mila [183]
2 years ago
7

Find the value of -3/8 x 8/15=

Mathematics
2 answers:
Illusion [34]2 years ago
7 0

we have -3/8 x 8/15 = -3/8 x 8/ (3x5) = -1/5

ok done. thank to me :>

g100num [7]2 years ago
5 0

Answer:

-1/5

Step-by-step explanation:

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A student on a piano stool rotates freely with an angular speed of 2.85 rev/s . The student holds a 1.50 kg mass in each outstre
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Answer:r'=0.327 m

Step-by-step explanation:

Given

N=2.85 rev/s

angular velocity \omega =2\pi N=17.90 rad/s

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Combined moment of inertia of stool and student =5.53 kg.m^2

Now student pull off his hands so as to increase its speed to 3.60 rev/s

\omega _2=2\pi N_2

\omega _2=2\pi 3.6=22.62 rad/s

Initial moment of inertia of two masses I_0=2mr_^2

I_0=2\times 1.5\times (0.789)^2=1.867

After Pulling off hands so that r' is the distance of masses from stool

I_0'=2\times 1.5\times (r')^2

Conserving angular momentum

I_1\omega =I_2\omega _2

(5.53+1.867)\cdot 17.90=(5.53+I_o')\cdot 22.62

I_0'=1.397\times 0.791

I_0'=5.851

5.53+2\times 1.5\times (r')^2=5.851

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r'=0.327 m

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3 years ago
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Step-by-step explanation:

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3 years ago
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NemiM [27]

Answer:

l think that the answer is understand the problem better.

Step-by-step explanation:

Coz I think when you understand your problem better it helps you to solve it better.

7 0
2 years ago
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