5. +-12.35 points OSColPhys1 1.3.023 If a marathon runner averages 8.0 mi/h, how

Question

5. +-12.35 points OSColPhys1 1.3.023 If a marathon runner averages 8.0 mi/h, how long does it take him or her to run a 26.22-mi marathon? Additional Materials Reading 6. -12.35 points OSColPhys1 1.4.030 A generation is about one-third of a lifetime. Approximately how many generations have passed during the last 2,000 years? generations Additional Materials Reading 7. +-12.35 points OSColPhys1 2.1.001 Find the following for path C in Figure 2.21. 0 2 46 8 10 12x (m) Figure 1-21 (a) the total distance traveled (b) the distance from start to finish (c) the displacement from start to finish Additional Materials Reading

Explanation / Answer

5)

here,

the distance to be traveled , s = 26.22 mi

average speed , v = 8 mi/h

the time taken , t= s/v

t = 26.22 /8 h

t = 3.28 h

the time taken is 3.28 h

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