Two objects, each of mass 15 kg, are moving in the same straight line but in opposite. direction.The velocity of each object is 2.5ms-1 before the collision during which they stick together.What will be the velocity of the combined object after collision?
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Answer: 2.5 m/s
Step-by-step explanation:
It is elastic collision so,
By conversation of momentum,
(15)(2.5)+15(2.5) = 30(v)
v = 2*15*2.5/30
= 2.5 m/s
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