A roller coaster starts from rest at point a if you

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Trigonometry
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Chapter 3 / Exercise 57
Trigonometry
McKeague/Turner
Expert Verified
21. A roller coaster starts from rest at point A. If you ignore friction and take the zero of potential energy to be at C, A) the kinetic energy of the coaster at D will be equal to its potential energy at A. B) the kinetic energy of the coaster at E will be equal to its potential energy at C. C) the kinetic energy of the coaster at A will be equal to its potential energy at B. D) the kinetic energy of the coaster at B will be equal to its potential energy at C. E) the kinetic energy of the coaster at C will be equal to its potential energy at A.
22. Assuming the incline to be frictionless and the zero of gravitational potential energy to be at the elevation of the horizontal line,
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Trigonometry
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Chapter 3 / Exercise 57
Trigonometry
McKeague/Turner
Expert Verified
Page 10 23. The surface shown in the figure is frictionless. The block is released from rest. What will be the maximum compression of the spring? (Provide three significant digits in the final answer.)

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