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55. A solid sphere of mass 0.1kg and radius 2cm rolls down an inclined plane 1.4m in length (slope 1 in 10). Starting from rest its final velocity will be

(a)  1.4 m/sec

(b) 0.14 m/sec

(c)  14 m/sec

(d)  0.7 m/sec

Ans .a

(26)

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