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Pragya Narwal Grade: 11
        
A ball moving with a momentum of 15 kgm/s strikes against the wall at an angle of 30 and is reflected with same momentum and angle. Calculate impulse.              
  • Basically my problem is that the answer given in the book is 15 square root 3 and my answer is 15 kgm/s
 
one year ago

Answers : (1)

Mohit Dhaka
46 Points
										Here as per me answer given in book is correct becoz i think you have regarded the angle at an different position This angle of 30°is between normaland path of ball so the impulse generated =2mvcos30°=15square root 3
										
one year ago
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