sol02 - 29 29 1 2 40 35 mi 1 mi/min 5 mi 1 mi/min 10 min d...

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PHYSICS 103 Chapter 1 -- HW #2 Exercise (Chapter 1) 2. This is an exercise in converting units. Therefore, we must find the appropriate factors of “one.” ( 29 7 365.25 days 24 h 3600 s 1 y 31,557,600 s 3.16 10 s 1 y 1 day 1 h   = = ×     Questions 6. The strobe diagram looks like the one drawn below. o...... o...... o...... o..... o.... o...o. .o. .o. ..o. ...o. ....o. ..... o........ o........ o........ o........ o........ o........ o 10. Let’s calculate the average speed of each car.
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Unformatted text preview: ( 29 ( 29 1 2 40 35 mi 1 mi/min 5 min 78 68 mi 1 mi/min 10 min d s t d s t-= = =-= = = Therefore, the two cars have the same average speed. Exercise (Chapter 2) 6. This is a straightforward application of our definition of average speed. We do need to convert the time in minutes and seconds to the equivalent time in seconds. ( 29 60 s 26 min 1560 s 1 min = 10,000 m 6.32 m s 1582.75 s d s t = = =...
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