Particle Collision#

A particle of mass 4 $$kg$$ is travelling with velocity 3 $$\frac{m}{s}\hat{\imath}$$ when it collides with another particle of mass 3 $$kg$$ travelling with velocity 1 $$\frac{m}{s}\hat{\jmath}$$.

Part 1#

The $$y$$-component of the initial momentum of this system is:

• 3 $$kg$$ $$\dfrac{m}{s}\hat{\jmath}$$

• 3 $$kg$$ $$\dfrac{m}{s}\hat{\imath}$$

• 3 $$kg$$ $$\dfrac{m}{s}\hat{\imath}$$ + 12 $$kg$$ $$\dfrac{m}{s}\hat{\jmath}$$

• 12 $$kg$$ $$\dfrac{m}{s}\hat{\jmath}$$

• 12 $$kg$$ $$\dfrac{m}{s}\hat{\imath}$$

• 12 $$kg$$ $$\dfrac{m}{s}\hat{\imath}$$ + 3 $$kg$$ $$\dfrac{m}{s}\hat{\jmath}$$