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Thoughts Experiment about Frame of References
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[QUOTE="kasha, post: 5624857, member: 564800"] [h2]Homework Statement [/h2] [B]The Observer (me) is at Inertial Frame of Reference:[/B] 1) I am sitting at a car moving east v=30 km/h relative to earth A bird flying east v = 10 km/h relative to earth What is the speed of bird for me? 2) I am sitting at a car moving east v=30 km/h relative to earth A bird flying east v = 40 km/h relative to earth What is the speed of bird for me? 3) I am sitting at a car moving east v=30 km/h relative to earth A bird flying east accelerating at a=10km/h[SUP]2[/SUP] relative to earth What is the acceleration of the bird relative to me? 4) I am sitting at a car moving east v=30 km/h relative to earth A bird flying east accelerating at a=40 km/h[SUP]2[/SUP] relative to earth What is the acceleration of the bird relative to me? Please feel free to correct any stupidity/misconceptions I might have introduced in my questions [h2]Homework Equations[/h2] Frames of Reference [h2]The Attempt at a Solution[/h2] 1) I think (-20km/h)...if the car and the bird started at the same spot, after 1hr, I would have traveled 30 km to the east, while the bird would have traveled only 10km to the east, so the bird is lagging behind me by 20km..looking as the bird is moving 20km/h to the west!2) I think (+10km/h)...if the car and the bird started at the same spot, after 1hr, I would have traveled 30 km to the east, while the bird would have traveled 40km to the east, so the bird is a head of me by 10 km..looking as the bird is traveling 10km/h to the east! 3) 10 km/h[SUP]2[/SUP] ?! 4) 40 km/h[SUP]2[/SUP] ?! [/QUOTE]
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Thoughts Experiment about Frame of References
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