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Home Q & A Board Science-Related Homework Help Physics
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12 years ago
What is the total energy of the roller coaster at point B?
A) 16.4 × 103 J
B) 20.2 × 103 J
C) 17.6 × 104 J
D) 16.4 × 104 J
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 C) 17.6 × 104 J
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