A ball with a mass of #3 kg# moving at #8 m/s# hits a still ball with a mass of #18 kg#. If the first ball stops moving, how fast is the second ball moving? How much kinetic energy was lost as heat in the collision?
1 Answer
Mar 28, 2018
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Explanation:
I can only answer the first part.
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
Plugging in the values, we get,