Question

Two bodies of masses 2kg and 4kg are moving towards each other along a horizontal frictionless surface with velocities 20mper sec and 40 m per sec respectively if they collide and stick together find their common final velocity

Answer 1

Answer:

final velocity will be - 33.333m/s

Explanation:

m1v1+m2v2 = m1u1 + m2u2

6v = 40+ 160

v =200/6

v= 33.33m/s

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