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3 years ago

15

1. "Milli" means "thousandth" so a millimeter (symbol: mL) is one thousandth of a liter. Therefore it takes ____(how many?) mL t

o make one L

1 answer:

koban [17]3 years ago

4 0

One thousand mL to make one L

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Vector A with arrow lies in the xy plane. Both of its components will be negative if it points from the origin into which quadra

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C

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Explanation:

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If a system's internal energy increases by 250 kJ after the addition of375 kJ of energy as heat, what was the value ofthe work i

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Two violinists are trying to tune their instruments in an orchestra. One is producing the desired frequency of 440.0 hz. The oth

Katyanochek1 [597]

Answer:

Percentage change in tension is 3.8%

Explanation:

We have given initially frequency $f_1$ = 440 Hz

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Now second frequency is $f_2=448.4Hz$

Frequency in string is given by

$f=\frac{1}{2L}\sqrt{\frac{T}{\mu }}$

From the relation we can say that

$\frac{f_1}{f_2}=\sqrt{\frac{T_1}{T_2}}$

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So percentage change in tension is 3.8%

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3 years ago