Conservation of Momentum (Leaving Cert Applied Maths): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is the formula for momentum?
What is the formula for momentum?
What are the units of momentum?
What are the units of momentum?
kg m/s
When is momentum conserved in a system?
When is momentum conserved in a system?
When no external forces act
What does impulse represent?
What does impulse represent?
Change in momentum
What are the units of impulse?
What are the units of impulse?
newton-seconds (Ns)
In a collision, how do impulses on the two objects compare?
In a collision, how do impulses on the two objects compare?
Equal magnitude, opposite direction
A 2 kg hammer at 2 m/s hits a 0.5 kg stake at rest. If they stick, what is ?
A 2 kg hammer at 2 m/s hits a 0.5 kg stake at rest. If they stick, what is ?
1.6 m/s
What is the initial momentum of a 2 kg hammer moving at 2 m/s?
What is the initial momentum of a 2 kg hammer moving at 2 m/s?
4 kg⋅m/s
How should momentum be treated in 2D collisions?
How should momentum be treated in 2D collisions?
Consider x and y components separately
An 800 kg van at 30 m/s hits a 700 kg car at 10 m/s (perpendicular). Find .
An 800 kg van at 30 m/s hits a 700 kg car at 10 m/s (perpendicular). Find .
16 m/s
In connected systems, when is momentum conserved?
In connected systems, when is momentum conserved?
At the instant of mass change
Why must direction be considered in momentum problems?
Why must direction be considered in momentum problems?
Momentum is a vector quantity