Physics 1 Midterm - Part 2 of 3
SAMPLE
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6. Intro to Forces (Dynamics) / Forces in 2D / Problem 20
Bob observes his phone dangling from a cord while the train he is in accelerates out of the station, lasting about 18 s. If the cord forms an angle of 26° with respect to the vertical during this acceleration, estimate the speed of the train at the end of the 18 s.
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