H – 1 = 7.2 h= Answer
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Answer:
Step-by-step explanation:
<u>Linear Momentum </u>
The momentum of a system of masses m1,m2,m3... with speeds v1,v2,v3,... is given by
When some interactions take place into the system of masses with no external forces interferring, the total momentum is not changed, which means that if the new speeds are v1', v2', v3'... then:
The problem relates the story of Batman (m1=100kg) who is initially assumed at rest and lands on a boat with mass m2=580 kg initially moving at 14 m/s to the positive reference. When the collision takes place, both masses join and a common speed is achieved by the common mass. Applying the conservation of momentum, we have
Since
Solving for