IB Physics HL B 2 7 Greenhouse Gases Questions

Practise IB Physics HL B.2.7 by evaluating greenhouse gases and natural or human drivers that change the rate of global warming.

Exam points

Identify friction as a force parallel to the contact surface and distinguish static friction, Ff ≤ μsFN, from dynamic friction, Ff = μdFN.
Calculate limiting or kinetic friction and use its direction and magnitude in complete force-balance or motion evidence.

[Maximum number: 1]

Nuclear fuels, unlike fossil fuels, produce no greenhouse gases.

Identify two greenhouse gases.

1.

2.

methane $/ \mathrm{CH}_{4}$ , water vapour $/ \mathrm{H}_{2} \mathrm{O}$ , carbon dioxide $/ \mathrm{CO}_{2}$ , nitrous oxide $/ \mathrm{N}_{2} \mathrm{O}$ ;
Award [1] for two of the above.

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IB Physics HL B 2 7 Greenhouse Gases Questions question 1