Question

1 1 Two objects, one of mass \( 3 \mathrm{~kg} \) and moving with a speed of \( 2 \mathrm{~m} / \mathrm{s} \) and the othe of mass \( 5 \mathrm{~kg} \) and speed \( 2 \mathrm{~m} / \mathrm{s} \), move towards each other and collide head on. If the collision is perfectly inelastic, find the speed of the objects after thi collision. a) \( 0.25 \mathrm{~m} / \mathrm{s} \) b) \( 0.5 \mathrm{~m} / \mathrm{s} \) c) \( 0.75 \mathrm{~m} / \mathrm{s} \) d) \( 1 \mathrm{~m} / \mathrm{s} \) 2 If two objects of equal masses ' \( m \) ' are moving towards each other with the same speeds ' \( v \) ' then what will be the total final momentum after elastic heac - on collision? (2009) a) \( -m v \mathrm{kgm} / \mathrm{s} \) b) Mr kgm/s c) \( 2 \mathrm{mv} \mathrm{kgm} / \mathrm{s} \) d) \( 0 \mathrm{kgm} / \mathrm{s} \)

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1 Two objects, one of mass \( 3 \mathrm{~kg} \) and moving with a speed of \( 2 \mathrm{~m} / \mathrm{s} \) and the othe of mass \( 5 \mathrm{~kg} \) and speed \( 2 \mathrm{~m} / \mathrm{s} \), move towards each other and collide head on. If the collision is perfectly inelastic, find the speed of the objects after thi collision.
a) \( 0.25 \mathrm{~m} / \mathrm{s} \)
b) \( 0.5 \mathrm{~m} / \mathrm{s} \)
c) \( 0.75 \mathrm{~m} / \mathrm{s} \)
d) \( 1 \mathrm{~m} / \mathrm{s} \)
2 If two objects of equal masses ' \( m \) ' are moving towards each other with the same speeds ' \( v \) ' then what will be the total final momentum after elastic heac - on collision? (2009)
a) \( -m v \mathrm{kgm} / \mathrm{s} \)
b) Mr kgm/s
c) \( 2 \mathrm{mv} \mathrm{kgm} / \mathrm{s} \)
d) \( 0 \mathrm{kgm} / \mathrm{s} \)

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1 Two objects, one of mass 3 kg and moving with a speed of 2 m / s and the othe of mass 5 kg and speed 2 m / s, move towards each other and collide head on. If the collision is perfectly inelastic, find the speed of the objects after thi collision.
a) 0.25 m / s
b) 0.5 m / s
c) 0.75 m / s
d) 1 m / s
2 If two objects of equal masses ' m ' are moving towards each other with the same speeds ' v ' then what will be the total final momentum after elastic heac - on collision? (2009)
a) -m v kgm / s
b) Mr kgm/s
c) 2 mvkgm / s
d) 0 kgm / s

Added by Bryan R.

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