Two particles having position vectors vecr_1=(3hati+5hatj)m and r_2 =(-5hati + 3hatj) m are moving with velocities V_1 = (4hati +3hatj)m/s and V_2 = (-ahati + 4hatj) m/s . If they collide after 2 s, the value of a is

Two particles having position vectors vecr_1=(3hati+5hatj)m and r_2 =(

1.	Two particles having position vectors vecr_1=(3hati+5hatj)m and r_2 =(-5hati + 3hatj) m are moving with velocities V_1 = (4hati +3hatj)m/s and V_2 = (-ahati + 4hatj) m/s . If they collide after 2 s, the value of a is
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