You have been hired to design a spring-launched roller coaster that will carry two passengers per...

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You have been hired to design a spring-launched roller coaster that will carry two passengers per car. The car goes up a 12-m-high hill, then descends 16 m to the track's lowest point. You've determined that the spring can be compressed a maximum of 2.5 m and that a loaded car will have a maximum mass of 450 kg. For safety reasons, the spring constant should be 15 % larger than the minimum needed for the car to just make it over the top. What spring constant should you specify? Express your answer to two significant figures and include the appropriate units. Submit Part B μA U Value Request Answer What is the maximum speed of a 370 kg car if the spring is compressed the full amount? Express your answer to two significant figures and include the appropriate units. μA Units Value ? Units ? 4 of 11 You have been hired to design a spring-launched roller coaster that will carry two passengers per car. The car goes up a 12-m-high hill, then descends 16 m to the track's lowest point. You've determined that the spring can be compressed a maximum of 2.5 m and that a loaded car will have a maximum mass of 450 kg. For safety reasons, the spring constant should be 15 % larger than the minimum needed for the car to just make it over the top. What spring constant should you specify? Express your answer to two significant figures and include the appropriate units. Submit Part B μA U Value Request Answer What is the maximum speed of a 370 kg car if the spring is compressed the full amount? Express your answer to two significant figures and include the appropriate units. μA Units Value ? Units ? 4 of 11