Ratio of acceleration of block A(10kg) placed on smooth incline, with block B(20kg) placed on rough incline is 2:1. Find coefficient of kinetic friction between block B and incline. Angle of inclination

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Ratio of acceleration of block A(10kg) placed on smooth incline, with block B(20kg) placed on rough incline is 2:1. Find coefficient of kinetic friction between block B and incline. Angle of inclination is 45^° in both cases.
Ratio of acceleration of block A-10kg- placed on smooth incline- with block B-20kg- placed on rough incline is 2-1- Find coefficient of kinetic friction between block B and incline- Angle of inclination is 45- in both cases

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