frictionless rollercoaster car mass843 kg tops first hill speed v18ms ans height40m what spe

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January 17, 2021
piece wire bent semi circle ends wire both ends are 10cm
January 17, 2021

frictionless rollercoaster car mass843 kg tops first hill speed v18ms ans height40m what spe

a frictionless rollercoaster car of mass=843 kg tops the first hill with speed v=18m/s ans height=40m. What is the speed of the car at point b when a is the height as the first hill and b is at h/2?
 
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