An 18-year-old runner can complete a 10.0-km course with anaverage speed of 4.44

Question

An 18-year-old runner can complete a 10.0-km course with anaverage speed of 4.44 m/s. A 50-year-old runner can cover the samedistance with an average speed of 4.03 m/s. How much later (inseconds) should the younger runner start in order to finish thecourse at the same time as the older runner?
An 18-year-old runner can complete a 10.0-km course with anaverage speed of 4.44 m/s. A 50-year-old runner can cover the samedistance with an average speed of 4.03 m/s. How much later (inseconds) should the younger runner start in order to finish thecourse at the same time as the older runner?

Explanation / Answer

L = 10.0-km, V = 4.44 m/s. v = 4.03 m/s. t = L/v - L/V = 229 s

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.