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  1. waltssillyhat

    graphs and equations question

    PLS HELP!! i don't understand how to use the clues given to find k
  2. waltssillyhat

    question on maximisation and minimisation in geometry

    please help with part b!! this is part of curve sketching using the derivative
  3. waltssillyhat

    help for part b of this question please 🙏

    i found part a and my answer was a deceleration of 0.6944...m/s, which was correct. i tried solving part b, but i kept getting an answer different from the textbook (the textbook answer is 250m)
  4. waltssillyhat

    can someone explain why the answer is B?

    this is from the kinematics chapter review in the yr 11 pearson textbook
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