Ans. () 1="2=}o» (6) v1=Vo(1-+V2),02-lo(l-V2). 15. The position vectors of two particles are respectively r1-4i+6j+ 4k/m and rg=2i+3j4+2k/m. The velocity of [th

Ans. () 1="2=}o» (6) v1=Vo(1-+V2),02-lo(l-V2). 15. The position vectors of two particles are respectively r1-4i+6j+ 4k/m and rg=2i+3j4+2k/m. The velocity of [the first 'particle is i-2j+2k m/s. How much greater should the velocity of the second particle be so that Ans. 0.2(2143j+-2k) m/s. the two may collide in 5 seconds ? II. Non-inertial frames-Fictitious forces