a boy of mass 50kg running at 5m/s jumps on to a 20kg trolley travelling in the same direction at 1.5 m/s .what is their common velocity
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m1v1 + m2v2 = (M1+M2)V
M1 - mass of boy =50kg
V1 - speed of boy= 5m/s
M2 mass of trolley = 20kg
V2 - speed of trolley = 1.5 m/s
V - final velocity
Solving for v , we get , v = (250+30)/70
V = 4m/s
I hope you got
M1 - mass of boy =50kg
V1 - speed of boy= 5m/s
M2 mass of trolley = 20kg
V2 - speed of trolley = 1.5 m/s
V - final velocity
Solving for v , we get , v = (250+30)/70
V = 4m/s
I hope you got
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