A rigid ball of mass m strikes a rigid wall at 60° and gets reflected wi...

Q. A rigid ball of mass m strikes a rigid wall at 60° and gets reflected without loss of speed as shown in the figure. The value of impulse imparted by the wall on the ball will be

Neet 2016 nlm & friction q 1,those who subscribed my channel or following me on Facebook page or instagram , must knew that, this type of qus was already guessed in Twisted qus of year 2011 In the hint video Fotu Banao , i told you , to take components of velocity. From that you got the clear idea about changing component of velocity . we know Impulse is equal to change in mementum as per the impulse momentum theorem and change in momentum can be calculated from change in velocity . 

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