Question

A cannon of mass m1= 10000 kgs located on a smooth horizontal platform fires a shell of mass m2= 200 kg in horizontal direction with a velocity v2 = 300 m/s. Find the velocity of the cannon after it is shot.

please give me the right answer with explanation ​

Answer 1

m

1

v=m

2

v

2

+m

1

v

1

1000×0=200×300+1000×v

1

1000v

1

=−6000

v

1

=−6m/s

negative sign indicates opposite direction

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