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3 years ago

The unit newton metre (N-m) is equivalent to

Physics

1 answer:

Serggg [28]3 years ago

3 0

Answer:

$kg * m^2 / s^2$

Explanation:

For each part of the unit, we can find what elementary units they are made up of.

The Newton unit is $kg*m/s^2$ since F = ma and F is force (with units of newtons). m is mass with units of kg, a is acceleration with units of m/s^2.

The unit m is simply a meter.

Multiply $kg*m/s^2$ with m to get $kg * m^2 / s^2$ . This is also the unit of torque.

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A thin film of cooking oil ( n = 1.47 ) is spread on a puddle of water ( n = 1.35 ) . What is the minimum thickness D min of the

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Answer:

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Explanation:

Given:

Refractive index of oil $n_{o} = 1.47$

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The minimum thickness is given by,

$2n_{o} t = (n+\frac{1}{2}) \lambda$

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Here we have to find minimum thickness so we use $n = 0$

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The unit newton metre (N-m) is equivalent to​

The unit newton metre (N-m) is equivalent to