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if a ball of mass m were to strike an fixed incined plane of 45degress with velocity of 3m/s, and was rebounded horizontally, what would be the velocity of the rebounded ball.(elastic collision). this the method i have tried. momentum of the system along the x axis is conserved.therefore, m(0)+M(0)=M(0)+m(x) (M is mass of incline plane) therefore velcoity of ball is 0 where am i making the mistake

if a ball of mass m were to strike an fixed  incined plane of 45degress with velocity of 3m/s, and was rebounded horizontally, what would be the velocity of the rebounded ball.(elastic collision). this the method i have tried.
momentum of the system along the x axis is conserved.therefore,
m(0)+M(0)=M(0)+m(x) (M is mass of incline plane)
therefore velcoity of ball is 0
where am i making the mistake

Grade:11

1 Answers

madhur mehta
18 Points
6 years ago
it should be m(3)+M(0)=m(x)+M(0);
hence the ball acquires 3m/s after rebounding

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