Question

A bullet traveling at 500m/s is brought to rest by an impulse of 50NS what is the mass of bullet ?​

Answer 1

mass is equal to product of m and v

Answer 2

Given :

Speed of bullet , u = 500 m/s .

Impulse applied , I = 50 N s .

Final speed of bullet , v = 0 m/s .

To Find :

The mass of bullet .

Solution :

We know , impulse applied is equal to decrease in momentum .

Therefore , $I=mv-mu$

Putting all given values in above equation , we get :

$50=m\times 500-m\times0\\\\m=\dfrac{50}{500}\\\\m=0.1 kg$

Therefore , mass of bullet is 0.1 kg or 100 g .

Learn More :

Kinematics

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