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Home Q & A Board Science-Related Homework Help Physics
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ppk ppk
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12 years ago
What is the speed of the roller coaster at point C?
A) 0 m/s
B) 34.6 m/s
C) 69.2 m/s
D) 20.0 m/s
E) There is not enough information to solve this problem.
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#1
12 years ago
If the question is "A roller coaster of mass 80.0 kg is moving with a speed of 20.0 m/s at position A as shown in Figure 8 -6. The vertical
height at position A above ground level is 200 m. Neglect friction and use  g = 10.0 m/s2." the answer would be B) 34.6 m/s
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