General ScienceMadrid 2026Question 2A
X-linked inheritance
A healthy father and a carrier mother: the Punnett square and why it comes out this way
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About this lesson
A model problem written for this site, not taken from any exam, to understand the method before applying it.
What this lesson answers
- Why can we split it into two motions?
- Why these axes and not others?
- Where do the equations of motion come from?
- Why not a frame that travels with the ball?
- What superposition is hidden here?
- What links the two equations?
- Can it be solved another way? Energy
- The result and the limits of the model
- Common mistakes to avoid
- Exam tips
- If you want top marks
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General ScienceMadrid 2026Question 3B
A box pushed against friction
Free-body diagram, friction, net force and braking: why it is solved this way
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