A hockey ball of mass 200g travelling at 10m/s is struck by a hockey stick so as to return it along its original path with a velocity at 5m/s.Calculate the change of linear momentum occurred in the motion of the hockey ball by the force applied by the hockey stick.

Asked by ruby2shifa | 19th Sep, 2020, 04:33: PM

Expert Answer:

c h a n g e space i n space l i n e a r space m o m e n t u m equals m v subscript 2 minus m v subscript 1
equals 0.2 open parentheses 5 minus open parentheses negative 10 close parentheses close parentheses
equals 3 k g m s to the power of negative 1 end exponent
F o r c e space a p p l i e d equals fraction numerator c h a n g e space i n space m o m e n t u m space over denominator t i m e end fraction
O n space s u b s t i t u t i n g space t h e space v a l u e s space w e space g e t space f o r c e space a p p l i e d
This question inolves the concept of momentum conservation

Answered by Utkarsh Lokhande | 20th Sep, 2020, 07:47: AM