Mass of two substances are 1 g and 9 g respectively. If their kinetic energies are same, then the ratio of their momentum will be……………

Mass of two substances are 1 g and 9 g respectively. If their kinetic

1.	Mass of two substances are 1 g and 9 g respectively. If their kinetic energies are same, then the ratio of their momentum will be……………
Answer» `1:9` `9:1` `3:1` `1:3` SOLUTION :KINETIC energy K.E. `= P^2/(2m)` If the KE are same `(P_1)/(P_2) = SQRT((m_1)/(m_2)) = sqrt(1/9) = 1/3impliesP_1 : P_2 = 1:3`