Secure https://session.masteringphysics.com/myct/itemview?assignmentProblemID 73

Question

Secure https://session.masteringphysics.com/myct/itemview?assignmentProblemID 73337550&offset; prev PHY143 W17 College Physics I Tarini Signed in as Isaiah Alexander Ch 11 HW Problem 11.41 previous l 8 of 10 next Part A How much metabolic energy is required for a 68 kg person to run at a speed of 15 km/h for 18 min? Assume that metabolic power of this running person is 1150 Express your answer using two significant figures. Submit My Answers Give Up Part B How much metabolic energy is required for this person to walk at a speed of 5 km/h for 54 min 7 Assume that metabolc power of this walking person is 380 W. Express your answer using two significant figures. Submit My Answers Give Up Continue

Explanation / Answer

Part a)

E = 1150 X 18 X 60 = 1242000 J = 296.84 kcal

Part b)

E = 380 X 54 X 60 = 1231200 J = 294.263 kcal

Related Questions

Navigate

• Browse (All)
• Browse S
• Subjects

---

---

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