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a point particle of mass m moves along the uniformly rough track PQR the cofficient of friction between the particle and the rough track equals μ.the particle is released from rest ,from the point p and it come to rest at a point R the energies lost by the ball over tthe parts PQ and QR of the track are equal to each other and no energy is lost when particle change direction from PQ to qR the values of the cofficient of friction μ and dis†an ce |
| Answer» a point particle of mass m moves along the uniformly rough track PQR the cofficient of friction between the particle and the rough track equals μ.the particle is released from rest ,from the point p and it come to rest at a point R the energies lost by the ball over tthe parts PQ and QR of the track are equal to each other and no energy is lost when particle change direction from PQ to qR the values of the cofficient of friction μ and dis†an ce | |