Questions
Particle A of mass moving with velocity collides with another particle B of mass which is at rest initially. Let be the velocities of particles A and B after collision respectively. If and after collision , the angle between and is
detailed solution
Correct option is D
Let V→2=Vxi^+Vyj^Applying momentum conservation along x and y direction,m1×3=m1+m2Vx ⇒Vx=23−1 And m1=3m1+m2Vy ⇒Vy=−23−1So V→2=23−1i^−23−1j^, which is making angle 45° with x axis as shownand V→1 =i^+3j^ , is making 600 with x axis as shown in figure So angle between V→1 and V→2 is 105°Talk to our academic expert!
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