Determine the momentum of a system that consists of two objects. One object, m1, has a mass of 6 kg and a velocity of 13 m/s towards the east and a second object, m2, has a mass of 14 kg and a velocity of 7 m/s in that same direction.

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AL2006GO AL2006GO · Answer 1

Momentum = (mass) x (velocity)

Momentum m₁ = (6 kg) x (13 m/s east) = 78 kg-m/s east

Momentum m₂ = (14 kg) x (7 m/s east) = 98 kg-m/s east

Since they're both in exactly the same direction you can simply addum up to get their total momentum. It's 176 kg-m/s east .

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ANDROMACHEGO ANDROMACHEGO · Answer 2

The momentum of a system that consists of two objects should be 176 kg m/s on east hand side.

Since we know that

Momentum = (mass) x (velocity)

So,

Momentum m₁ = (6 kg) x (13 m/s east) = 78 kg-m/s east

Momentum m₂ = (14 kg) x (7 m/s east) = 98 kg-m/s east

Since they are on same direction so the total momentum should be

= 78 + 98

= 176 kg-m/s east

hence, The momentum of a system that consists of two objects should be 176 kg m/s on east hand side.

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