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# 1-D motion - Physics 125 Problem 1 One-Dimensional Motion A...

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Physics 125 Discussion #2 1 Problem 1: One-Dimensional Motion A car accelerates uniformly in one dimension from 5 m/s to 30 m/s in 10 s. (1) First, define your coordinate system. (2) Write out the know factors: Initial velocity, _ __________ 0 = v harpoonrightnosp Final velocity, _ __________ = v harpoonrightnosp Time interval, Δ t = ____________ (3) What is the car’s acceleration? (4) What is the car’s average velocity for this time interval? (5) How far does the car travel during this time?

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Physics 125 Discussion #2 2 Problem 2: Two Bodies with Different Accelerations A motorist traveling with constant velocity of 15 m/s (about 34 mph) passes a school- crossing corner, where the speed limit is 10 m/s (about 22 mph). Just as the motorist passes, a police officer on a motorcycle stopped at the corner starts off in pursuit with constant acceleration of 3.0 m/s 2 . (1) First, define our coordinate system. Let’s take the origin at the corner and the positive direction to the right.
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1-D motion - Physics 125 Problem 1 One-Dimensional Motion A...

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