Question

. Two objects, each of mass 1.5 kg, are moving in the same straight line but in opposite directions. The velocity of each is 2.5 m s' before the collision during which they stick together. What will be the velocity of the combined object after collision?​

Answer 1

Answer:

0

Explanation:

m1 = m2 = 1.50 kg

v1 = 2.50 m/sec

v2 = - 2.50 m/sec

m1 v1 + m2 v2 = ( m1 + m2 ) v

1.50 * 2.50 - 1.50 * 2.50 = 0 => v= 0

So The Combined Momentum is Zero

So, V = 0

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Answer 2

Answer:

0m/s

Explanation:

By conservation of momentum :

mass of 1 object = 1.5 kg

mass of 2 object = 1.5 kg

initial of object 1 = 2.5

initial of object 2 = -2.5 ( because of opposite direction we take negative velocity )

now,

m¹u¹ + m²u² = 2mv ( because we have to give combine velocity)

• (1.5× 2.5 ) + (1.5× -2.5 ) = 2 mv
• 3.75 - 3.75 = 2mv
• 2mv = 0

so, final answer id 0 m/s