Question

Two particles A and B of mass 10g and 20g respectively fall vertically. The speed of particle A is 12m/s and that of B is 15m/s. Find the total linear momentum of the system of the two particle

Answer 1

Explanation:

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Answer 2

Mass of A = 10 g =  = 0.01 kg

Velocity of A = 12 m/s

Mass of B = 20 g =  = 0.02 kg

Velocity of B = 15 m/s

We know that :

Momentum of A = 0.01 × 12 = 0.12 kgm/s

Momentum of B = 0.02 × 15 = 0.3 kgm/s

Total Momentum = 0.12 kgm/s + 0.3 kgm/s

=》 0.42 kgm/s