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Grade: 

                        
a ballstrikes a rough plane with velocity v and rebounds with velocity v/2. if angle of reflection is equal to angle of incidence then coefficient of friction is??? ans. tan@/3
9 years ago

Answers : (1)

Chetan Mandayam Nayakar
312 Points 
							
vertical impulse=(3v/2)cos@, horizontal impulse=u(3v/2)cos@=(v/2)sin@ implies u=tan@/3
9 years ago
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