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Yahoo!

  • 2 years ago

A smooth Semicircular wire is fixed in the vertical plane . A particle of Mass M is released at angle = 37. The centripetal Force on the Particle when angle is 53 is of the magnitude?

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  1. Yahoo!
    • 2 years ago
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    |dw:1354103652453:dw|

  2. sagarrobo
    • 2 years ago
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    |dw:1354103844205:dw| t-mg cos37=centripetal force

  3. Yahoo!
    • 2 years ago
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    U see that is not a String..So no need to consider Tension

  4. Yahoo!
    • 2 years ago
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    that line is just to show the angle

  5. sagarrobo
    • 2 years ago
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    whether it is a string or wire it has tension only in case of wire tension never becomes zero

  6. sumanth4phy
    • 2 years ago
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    Yup no tension only normal force :). equation 1 conservation of energy mgr(sin53 - sin37) = 1/2mV^2 Centripetal force is mV^2/r =2mg/5

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