A ball with a mass of 3 kg3kg moving at 4 m/s4ms hits a still ball with a mass of 8 kg8kg. If the first ball stops moving, how fast is the second ball moving?
2 Answers
Apr 11, 2018
Explanation:
P=mv
Momentum stay the same before and after a collision
Apr 11, 2018
Explanation:
We use the law of conservation of momentum, which states that,
m_1,m_2 are the masses of the two objects
u_1,u_2 are the initial velocities of the two objects
v_1,v_2 are the final velocities of the two objects
So here, we got,