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Four particles A,B,C and D of equal mass move with equal speed v along the diagonals of a square in a horizontal plane. After the collision, A comes to rest while B and C retrace their paths with same speeds. Then the particle D will(a)continue to move along the same line with speed v(b)retrace its path with speed 2v(c)come to rest(d)move with speed v*root2 alnd a line parallel to CD

Gaurav Singh , 8 Years ago
Grade 11
anser 2 Answers
Vikas TU

Last Activity: 8 Years ago

Conserve the momentum in x-direction and y-direction for each masses respectively.
And U would get the relation.
 
In x direcn. the Vd = 2v i cap.
find similarly in y-direcn.

Divya

Last Activity: 8 Years ago

Can you please solve the question fully and post the answer?
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