A body starts with a velocity 'u' from the top of an inclined plane of length ‘L' and an angle of inclination 30°. The upper part of the incline of length {2L}/3 is rough and the remaining part is smooth. If the body slides down and reaches the bottom with the same velocity 'u'. then the coefficient of kinetic friction of the rough part of the incline is

AP EAMCET Medical 2017 Shift 1 Paper

Question : 85 of 160

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A body starts with a velocity 'u' from the top of an inclined plane of length ‘L' and an angle of inclination 30°. The upper part of the incline of length

is rough and the remaining part is smooth. If the body slides down and reaches the bottom with the same velocity 'u'. then the coefficient of kinetic friction of the rough part of the incline is

1
√3
1
√2
√3
2
2
√3

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