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Prof.Grace

  • 3 years ago

Sand drops at the rate of 2000 kg/min. from the bottom of a hopper onto a belt conveyor moving horizontally at 250 m/min. Determine the force needed to drive the conveyor, neglecting friction.

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  1. shubham
    • 3 years ago
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    Newton's 2nd law of motion :- F + u.dm/dt = m.dv/dt [ for variable mass systems : u is velocity wrt incoming mass, u.dm/dt is thrust ] You can substitute the values.

  2. Prof.Grace
    • 3 years ago
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    thanks

  3. shubham
    • 3 years ago
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    Welcome !!

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