please show me how to work out this problem:
A roller coaster moves 85 m horizontally, then travels 45 m at an angle of 30.0 degrees above the horizontal. what is its displacement from its starting point? use graphical techniques.
the answer is 126 m at (1.0 * 10^1) above the horizontal
please show me all the work that needs to be done to solve this problem , including which formula's to use.thnks:)
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can someone pleeeas help me on this?
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