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A trolley of mass 200 kg carrying a sand bag of 20kg is moving uniformly with a speed of 10 m/s on a frictionless track. Sand starts leaking out of a hole on the floor of the trolley at the rate of 0.02kg/s.The speed of the trolley after the entire sand bag will empty is ?

A trolley of mass 200 kg carrying a sand bag of 20kg is moving uniformly with a speed of 10 m/s on a frictionless track. Sand starts leaking out of a hole on the floor of the trolley at the rate of 0.02kg/s.The speed of the trolley after the entire sand bag will empty is ?
 

Grade:12th pass

1 Answers

Shivansh
askIITians Faculty 267 Points
5 years ago
It will remain same because the sand will also keep moving. The frictionless floor wont reduce any net momentum

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