An open wagon of mass 5×10⁴ kg moves at 1.2 m s⁻¹ on a frictionless track. Rain falls vertically into it. After collecting 10⁴ kg water, its speed is:
Physics · Center of maas , Momentum and Collision · variable mass system
An open wagon of mass 5×10⁴ kg moves at 1.2 m s⁻¹ on a frictionless track. Rain falls vertically into it. After collecting 10⁴ kg water, its speed is:
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