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[物理 Phy] HKDSE Physics Question Review (2019-10-29)



HKDSE Physics Question Review (2019-10-29)

[隱藏]
Question 1

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Even 2D linear momentum is currently out of syllabus, you can still deploy your M2 knowledge to establish the solution. Note how to resolve the components of a vector.

[ 本帖最後由 SC3U 於 2019-10-29 12:55 AM 編輯 ]

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Solution to Question 1

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If your DSE math is poor, you are cooked.

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Question 2

Now we continue to play math game.

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Now using the above geometric features to tackle below

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Solution to Question 2

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Question 3

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Straightforward

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Solution to Question 3

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Net force = Net Torque = 0

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Question 4

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Question 4

Just 9 plug the formula from DSE exam paper.
But what I expect is the orthodox steps:

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=END=





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