Question: - 2 In Fig. 8 - 2 9 , a single frictionless roller - coaster car of 8 . m = 8 2 5 k

-2 In Fig. 8-29, a single frictionless roller-coaster car of 8.m=825kg tops the first hill with speed v10=170n2s at hatight mass m were doubled, would the change in the gravrational goteatia? energy of the system between points A and B increase, decrease, or remain the same?
- 2 In Fig. 8 - 2 9 , a single frictionless

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