Russia 2022

Fonte: gare di altri paesi/Russia/ruPho/2022_PhODS_Mock_F_ma_.pdf · Apri PDF · apri PDF p.2 Cluster: Meccanica

• Quesito 1 — 1. A simple scale consists of two platforms of negligible mass fitted together by springs.
• Quesito 2 — 2. A small mass is put on the end of an ideal string of length $8a$ which is fastened to a
• Quesito 3 — 3. A sprinkler can be modelled as a hemisphere with $N$ evenly divided holes, where water
• Quesito 4 — 4. Consider a setup consisting of a four-way small pipe connected to a tube from below. Th
• Quesito 5 — 5. A meteor hits the moon and creates a crater within the ground. The crater can be modell
• Quesito 6 — 6. A thin hollow cylinder of radius $R=10\text{cm}$ and thickness $\delta \ll R$, is s
• Quesito 7 — 7. A tower is glued together from three identical wooden blocks of edge lengths $a$ and $b
• Quesito 8 — 8. In a vertical plane, where gravity acts downwards, a circle of radius $R$ is put at the
• Quesito 9 — 9. A small hole is made on the side of a vessel of flat base and unknown shape which is pl
• Quesito 10 — 10. A thin disk of mass $M$ and radius $R$ is rotating about its central axis at an angula
• Quesito 11 — 11. A beam balance is used to measure the mass of a solid which has a very low density $0.
• Quesito 12 — 12. A weightless ladder of length $L=2\text{m}$ rests at an angle of $\theta = 30
• Quesito 13 — 13. A dam is a large wall that holds water. The dam is of width $L$ and water is at a dept
• Quesito 14 — 14. A box of mass $m$ contains a spring attached to its ceiling with an oscillating mass $
• Quesito 15 — 15. A miniature carousel can be modelled as a disk of mass $2\text{kg}$ and radius $1\ \
• Quesito 16 — 16. In an isolated system, two point masses A and B of $2m$ and $m$ respectively interact
• Quesito 17 — 17. In a firework display, a firework rises in the air vertically and then explodes into f
• Quesito 18 — 18. A massless spring with constant $k=100\text{N/m}$ which is attached to the ceiling
• Quesito 19 — 19. A stretchy table consists of a square of mass $m$ and sidelength $a$ with fixed legs m
• Quesito 20 — 20. Two small rings of the same mass are put on a horizontal rough surface ($\mu =1$) as
• Quesito 21 — The following information applies to problems 21-23. A spaceship of mass $m$ encounters co
• Quesito 22 — 22. The spaceship now flies at a constant speed $v$ away from the surface of the Earth, wh
• Quesito 23 — 23. In this part, suppose the spaceship takes the form of a sphere of uniform density $\rh
• Quesito 24 — 24. A person is standing at the British Royal Observatory in Greenwich England, which is a
• Quesito 25 — 25. A square of sidelength $a$ and mass $2m$ is cut across its diagonal which is situated