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Introductory Physics Homework Help
Inelastic Collision - 2D, find mass, theta, x-component
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[QUOTE="Redbelly98, post: 4690038, member: 122961"] 4.1 m/s is correct, BUT it's a rounded-off result. I recommend going another 2 decimal places (4 sig figs) until you have calculated a final answer, then round off at the end as appropriate. That approach doesn't work. Remember that a vector and its components can be represented by a right triangle: the x and y components are represented by the legs, and the hypotenuse represents the vector's magnitude. How do you find the unknown side length in a right triangle? I haven't gotten that far with the problem myself, but probably solving conservation of momentum in the x-direction (the one thing that hasn't been done yet) would help. [/QUOTE]
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Introductory Physics Homework Help
Inelastic Collision - 2D, find mass, theta, x-component
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