5. What will be the speed of a solid sphere of mass M and radius R₀ when it reaches the bottom of an incline if it starts from rest at a vertical height H and rolls without slipping? See Fig.5. Ignore losses due to dissipative forces.

(A)
(B)
(C)
(D) 
(E) 
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統計: A(0), B(0), C(2), D(0), E(0) #3384039
統計: A(0), B(0), C(2), D(0), E(0) #3384039