Question

Two balls A and B of masses m and 3m are in motion
with velocities 3v and v respectively. Their inertia are
in the ratio​

Answer 1

The inertia of balls A and B are in the ratio 1 : 3

Given :

Two balls A and B of masses m and 3m are in motion with velocities 3v and v respectively

To find :

The ratio of inertia of balls A and B

Solution :

Step 1 of 2 :

Write down the masses of two balls

Here it is given that two balls A and B of masses m and 3m are in motion with velocities 3v and v respectively

Mass of ball A = m

Mass of ball B = 3m

Step 2 of 2 :

Calculate ratio of inertia of balls A and B

We know that inertia are in direct proportion with mass

Thus the ratio of inertia of balls A and B

= Inertia of ball A : Inertia of ball B

$\displaystyle \sf{ = \frac{Inertia \: of \: ball \: A }{ Inertia \: of \: ball \: B }}$

$\displaystyle \sf{ = \frac{Mass \: of \: ball \: A }{ Mass \: of \: ball \: B }}$

$\displaystyle \sf{ = \frac{m}{3m} }$

$\displaystyle \sf{ = \frac{1}{3} }$

$\displaystyle \sf{ = 1 :3 }$

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Answer 2

Answer:

Here is the Answer .

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