3 years ago

Which two substances have no fixed shape and no fixed volume?

Physics

1 answer:

fenix001 [56]3 years ago

4 0

Answer:

Gas like oxygen, nitrogen etc

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the time between successive meridian transits of the sum at a particular place

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Batteries can supply a steady flow of electrons.<br> True<br> False

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How many hours would it take for a single prokaryote, dividing every 20 minutes by binary fission in a favorable environment, to

butalik [34]

Answer:

$170\frac{2}{3} hrs$

Explanation:

in every 20 minutes the prokaryote divides to produce one of itself .

Mathematically,

20 mins:1 of its kind

x mins :512 of its kind

Where x is the amount of time (in minutes) needed by the prokaryote to produce 512 of its kind.

This implies that,

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$x = 20 \times 512 = 10240mins$

We now convert the time in minutes into hours.

Knowing very well that 60 minutes equals an hour, to convert 10240 minutes to hour we divide by 60.

This implies that,

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3 years ago

A student performs this experiment and measures the bar to have a mass of 150g and length of 36cm. What is the moment of inertia

Ugo [173]

Answer:

The moment of inertia of the bar is $45\times10^{-4}\ kg-m^2$

Explanation:

Given that,

mass of bar = 150 g

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Using formula of moment inertia

$I=\dfrac{1}{12}Ml^2$

Where,

M = mass of the bar

L = length of the bar

Put the value into the formula

$I=\dfrac{1}{12}\times150\times10^-3\times36\times10^{-2}$

$I=45\times10^{-4}\ kg-m^2$

Hence, The moment of inertia of the bar is $45\times10^{-4}\ kg-m^2$

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3 years ago