please solve this question with proper solution wrong answer will be deleted
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No external force-momentum is constant.
momentum of girl-40*5=200kg-m/sec
momentum of girl and cart =total momentum of girl+momentum of cart.
=200+0=200kg m/sec
speed =200/(40+3)
=4.65m/sec
beeeee himachali
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what! it is what dude? science or English
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