Question

Two objects each of mass 2 kg, are moving in the same straight line but in
opposite directions. The velocity of each object is 1.5 ms before the collision
during which they stick together. What will be the velocity of the combined object
after collision?​

Answer 1

Answer:

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Explanation:

Initial momentum of object 1 = mv

=2×2.5=5kgm/s

Initial momentum of object -2 = mx (-v)

=2×(−2.5)

=−5kgm/s

Momentum of the combination of two after collision =5+(−5)=0

So, velocity of combination =

Mass of combination

Momentum of combination

=

4

0

=0