Math, asked by rainachublu5775, 10 months ago

Tha mass of an aluminium rod varies directly with its length. If a 16 cm long rod has a mass of 192 g ,find the length of a rod whose mass is 105 g

Answers

Answered by sushiladevi4418

Step-by-step explanation:

The mass, say m, of an aluminum rod varies directly with its length(l).

Rule of direct proportionality says,

$\frac{m}{l} = k$

$\frac{192}{l6} = 12$

$k = 12$

The mass of a rod = 105g

then, $\frac{m}{l} = k$

$\frac{105}{l} = 12$

$l = \frac{105}{12} = 8.75 cm$

Thus, length of a rod is 8.75 cm

Answered by Aɾꜱɦ

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