1.

E-2.The area of F-t curve is A, where F' is the force acting on one mass due to the other. If one of thecolliding bodies of mass M is at rest initially, its speed just after the collision is(A) A/M2A(B) M/A(C) AM

Answer»

The area undet F-t curve , gives the change in momentum of the particle

=> ∆P = A = M.V'

=> V' = A/M

option A.

this can also be done by dimensional analysis..as only A is having the dimension of velocity as asked.



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