A 70 kg person running for 20 minutes on a treadmill burns 150 kcals. 1) How man

Question

A 70 kg person running for 20 minutes on a treadmill burns 150 kcals.

1) How many minutes per day does he need to run in order to lose 1 pound in a week?

2) How many calories per pound does he need to maintain his body weight? Can it light up a 100-watt light bulb?

Calories - Joule: , kg •m? |J= kg m” =N•m = Pa-m' = w.s = c.v 1Joule is -energy released by a medium sized apple falling 1 meter Specific Heat of Water: 1 Calorie = 4.1855 J= "15° Calorie" 4.184 J = "Thermochemical calorie" 4.190 J = "Mean calorie" (0 – 100 °C)

Explanation / Answer

1).one pound = 3500 kilocalories

Exercise for 20 minutes loses about 150 kcal.

So, it takes about 466.6 minutes (= 20* 3500/ 150) to lose 3500 kcal.

So, the person has to exercise for 66.6 or 67 minutes (466.6/7) to lose one pound weight in a week.

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

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