In the figure shown, upper block is given a velocity 6m//s and very long plank, velocity 3m//s The following quantities are to be matched when both attain same velocity. {:(,"Column-1",," Column-2"),("(A)","Work done by friction on 1 kg block in joule",,"(P) Positive"),("(B)","Work done by friction on 2 kg plank in joule",,"(Q) Negative"),("(C)","Magnitude of change in momentum in N-s of 2 kg plank",,"(R) 3"),("(D)","Change in KE of system consisting of block and plank in joule",,"(S) 7"),(,,,"(T) 2"):}

In the figure shown, upper block is given a velocity 6m//s and very lo

1.	In the figure shown, upper block is given a velocity 6m//s and very long plank, velocity 3m//s The following quantities are to be matched when both attain same velocity. {:(,"Column-1",," Column-2"),("(A)","Work done by friction on 1 kg block in joule",,"(P) Positive"),("(B)","Work done by friction on 2 kg plank in joule",,"(Q) Negative"),("(C)","Magnitude of change in momentum in N-s of 2 kg plank",,"(R) 3"),("(D)","Change in KE of system consisting of block and plank in joule",,"(S) 7"),(,,,"(T) 2"):}
Answer» <P> ANSWER :A - Q; B - P,S; C - P, T; D - R, Q