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Morgarella [4.7K]
4 years ago
6

What is the chemical formula for sodium hydroxide?

Physics
1 answer:
polet [3.4K]4 years ago
4 0

Answer: NaOH

Explanation: Sodium hydroxide. sounds like a hard word ey? Well think of it like this, you probably have used soap and water to clean your hands right?(do you clean your hands?) Well sodium hydroxide is used in soap.

NaOH(s) ==> Na+(aq) + OH-(aq) + heat

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Answer:

a) I=0.012\ kg.m^2

b) I=0.012\ kg.m^2

Explanation:

Given that:

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<u>(a)</u>

<u>Moment of inertia of rod about its center and perpendicular to the rod is given as:</u>

I=\frac{1}{12} m.l^2

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I=0.012\ kg.m^2

(b)

<u>Moment of inertia on bending the rod to V-shape of 60 degree angle and axis being perpendicular to the plane of V at the vertex.</u>

<em>We treat it as two rod with axis of rotation at the end and perpendicular to the plane of rotation. </em>

<em>So, the mass and the length of the rod will become half of initial value.</em>

I=I_1+I_2

I=\frac{1}{3} \frac{m}{2} (\frac{l}{2})^2 +\frac{1}{3} \frac{m}{2} (\frac{l}{2})^2

I=2[ \frac{1}{3}\times 0.2\times 0.3^2]

I=0.012\ kg.m^2

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