Question

Item 6 A roller coaster reaches the top of the steepest Nl with a speed of 6.0 km/h. It then descends the Nil, which is at an average angle of 40 and is 37.5 m long Part A What will to speed be when it reaches the bottom A .18 Express your answer to two significant figures and include the appropriate unit A RO? Value Units Submit Request Answer Provide Feedback

Answer 1

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= 1.67 mls Initial speed u= 6lemlh – 6 ml o-wo, L= 37-5, anno.18 Ef=0 & Nim -mg Cust ----) macint engroso my ef= = 4 mg list Etxama - ing sint of a ma mgsins- en ing cost This as g [sino - Meguso] = (9.8) [sin noo – 0.18 costo] = 7.65 4.95 mls? Thus, v2 = .02+2a2 xva . +264-99) (33.5) / 19 mis