Suppose the rollercoaster car in the figure passes point 1 with a speed of 220 m/s...

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Answer 1

Answer #1

Work done by fictional force is Wq = 25 mg x som =-12.5mg., Wg = 32mg Using work energy theorem. Ak= wf. Kg = {mv xmx(2-2)* =

Answer 2

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