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    Lavastorm's Avatar
    Lavastorm Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Mar 4, 2014, 01:47 PM
    Rollercoaster car compressing spring
    In an amusement park ride, a 100 kg car is released from rest at a height of 30 meters down a track that reaches ground level (0 meters) and rises back to compress a spring (k=1000 N/M) as it comes to rest finally at a height of 20 meters.

    Is the car moving faster as it reaches 10 meters (down) or as it reaches ground level (0 meters)--assuming the track is frictionless? Why or why not?
    Curlyben's Avatar
    Curlyben Posts: 18,514, Reputation: 1860
    BossMan
    		  
    #2

    Mar 4, 2014, 01:53 PM
    What do YOU think ?
    While we're happy to HELP we wont do all the work for you.
    Show us what you have done and where you are having problems..
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