Obtaining the absolute velocity of a moving train based on angle of raindrops with respect to vertical axis
The problem is in the files attached.
I have been given the coordinates of the raindrops both start and end.
My question is how do I obtain the angle, and after that how do I arrange the equation to get Vtrain.
Answer
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Leave a comment if you need any clarifications.

Thank you Philip, is ThetaWind always 30 degrees? I still dont quite get how to obtain the angle from the coordinates I was given. However everything you explained makes sense now.

In general ThetaWind may not be 30 degrees, but in your problem it is assumed to be 30 degrees.

Oh okay, so if I understand the assignment the first step in finding Vtrain should be to find the angle of the raindrop vectors using the coordinates that I was given? Should I do that using the slope?

Yes.

Great, thank you for the help Philip :),

Sorry for asking again Philip, but how would I obtain Vtrain with respect to a fixed refrence, so the absolute velocity of the train?
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