A frictionless roller coaster car of mass m tops the first, Ask an Expert

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a frictionless roller coaster car of mass m tops the first hill with speed v0 at height h. What is the speed of the car at

(a) point A,

(b) point B, and

(d) How high will the car go on the last hill, which is too high for it to cross? State your answers in terms of the given variables and g.

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