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- Physics
- SL
- Paper 2
A ball is thrown vertically upward at 12 m/s. Calculate its maximum height. [2 marks]
Student answer: h = 144 ÷ 9.8 = 14.7 m
Mark scheme: 1 of 2
- M1 Uses v² = u² − 2gh with v = 0 (mark earned)
- A1 Height = 7.3 m, with a correct unit (mark not earned)
To fix: you missed the 2 in 2g, so divide 144 by 19.6.
Watch your timing
See how long you spent on each extract and on the global issue.
Why does a catalyst not change the equilibrium position?
It speeds up the forward and reverse reactions equally. You reach equilibrium sooner, but the balance between them stays the same. Want a practice question on this?
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- Make flashcards for Unit 2
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Your progress
Time studied this week: 6 h 40 min
Accuracy by topic
- Cell biology82%
- Genetics64%
- Ecology48%
Topics covered
11 of 18 topics revised
Example only.
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