InterviewSolution
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                                    Sphere is placed between two smooth wedges, andwedges are given velocities as shown in thediagram. Velocity of centre of sphere in verticadirection will be10 m/s532(1) 10 m/s(3) 15 m/s(2) 5 m/s(4) 20 m/s | 
                            
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Answer»  The wedge is tangent to the sphere. Using that it touches at height R/5 you can easily work out the slope of the wedge. The velocity of the sphere follows directly (20m/s times slope).  | 
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