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two objecys each mass 1.5kg are …

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two objecys each mass 1.5kg are moving in the same straight line but in opposote direction the velocity if each object is 2.5 m/s beforethe collision during which they stick toghether what will be the velocity of combined object after collision Please write in proper steps

Posted by Lija Gigi 4 years ago

CBSE > Class 09 > Science

2 answers

Pradeep Mehta 4 years ago

M1 = 1 .5 kg M2= 1.5kg U1= 2.5m/s U2= -2.5 m/s(since object is moving in opposite direction. Let combined velocity = V Now acc. to law of conservation of momentum M1U1+M2U2=( M1+M2)V 3.75kgm/s - 3.75kgm/s = 3.0V 0 = 3V V = -3 m/s( - refers in opposite direction) Therefore combined velocity = -3 m/s

1Thank You

Kamya Gandhi 4 years ago

Mass free 1=1.5 Mass 2 =1.5 V 1=2.5. U1-0 V2=2.5. U2-0 After collision M1V1+M2V2 =m1u1+m2u2 -

1Thank You

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CBSE > Class 09 > Science