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aliina [53]
3 years ago
12

PLEASE HELP I NEED HELP PERIODTT​

Physics
2 answers:
juin [17]3 years ago
7 0
Radiation PERIOD LOL
...
SVETLANKA909090 [29]3 years ago
5 0

Answer:

Explanation:

Liluzivert

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Two solid discs are liked with a belt. The
irakobra [83]

Answer:

ω₂ = 13.09 rad/s

Explanation:

given,

small disk rotating speed = 500 rpm

radius of small disk = R

radius of larger disk = 2 R

rotational speed of larger disk = ?

using the law of conservation of angular momentum, we get

I₁ ω₁ = I₂ ω₂

moment of inertia for solid disk

I = \dfrac{1}{2}MR^2

now,

(\dfrac{1}{2}MR_1^2)\omega_1=(\dfrac{1}{2}MR_2^2)\omega_2

(\dfrac{1}{2}MR^2)\omega_1=(\dfrac{1}{2}M(2R)^2)\omega_2

R^2\times \omega_1= 4 R^2\times \omega_2

\omega_2=\dfrac{\omega_1}{4}

\omega_2=\dfrac{500}{4}

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and

\omega_2=125\times \dfrac{2\pi}{60}

   ω₂ = 13.09 rad/s

the rotational speed of larger disc is equal to ω₂ = 13.09 rad/s

7 0
3 years ago
What are some common forces that make it difficult for humans to
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Answer:

Explanation:

Applying Forces, doing Work and developing Power. Applying Forces: Force is a push or a pull and many forces are acting on you all of the time. ... possible to stretch the rubber band with one hand using your thumb and finger at two different places but ... If you are smart, however, just exerting forces, shouldn't get you tired

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A boat has a porthole window, of
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Answer:

F = 534.6[N]

Explanation:

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P=Ro*g*h

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Now replacing:

P=1027*9.81*6.25\\P=62967.93[Pa]

The net force is:

F = P*A\\F = 62967.93*0.00849\\F = 534.6[N]

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