(may be broke/outdated!)
I have to find the velocities of a roller coaster at various heights given the initial velocity of a coaster at the top of the first hill. The second hill is the same height as the first, so I figured out that the velocity would be the same; however, the third hill is half the height. How do I find the velocity at this point?
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One Response
Call the ground 0 elevation and measure up from there to get heights.
Kinetic Energy + Potential Ehergy = constant
0.5*mass*velocity^2 + mass * gravity * height = a constant
0.5MV^2 + 9.8*MH = a constant
Get mass in kg
get velocity in m/s
get height in meters
Crank away at the different points