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Good set of questions. Question 6 requires knowledge of conservation of momentum. Don't use question 4! (see comment below)
So very useful resource. Thank you for sharing.
Great to have a variety of questions for different levels. Thanks
Thank you very much for sharing these great resources. I just want to point out that question 4 is technically incorrect. If you're going to use the length of the incline for the distance the applied force is not equal to its weight. It is equal to mgsin(theta). As you know height you can just use height gained x weight to determine work done. Sorry I'm not trying to be critical just wanted to point it out.
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