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2. Average Walking Speed: Pace, and Comparisons by Age and Sex

   www.healthline.com/health/exercise-fitness/...

   This averages out to a difference of 1.2 minutes slower for every kilometer (.62 mile) at age 60 than at age 20. ... It’s free, easy to do, and can be done almost anywhere, making it an ideal ...

3. Understanding Your Stress Test Results by Age (With Chart!)

   www.healthline.com/health/stress-test-results-by...

   A study of athletes had the following findings: Of those ages 35 to 60, 5.1% had an abnormal stress test. Of those older than 60, 8.5% had an abnormal stress test. When you exercise for a ...

4. Calories Burned Walking: 1 Mile, 1 Hour, Calculator - Healthline

   www.healthline.com/health/calories-burned-walking

   The equation is: calories burned = BMR x METs/24 x hour. For example: A 35-year-old woman who weighs 150 pounds, is 5 feet 5 inches tall (BMR = 1,437), and walks for 60 minutes at 3.0 mph (3.5 ...

5. Monitoring Your Heart Rate: What's Normal and When to Worry

   www.webmd.com/heart-disease/heart-failure/...

   A healthy heart rate for adults over 18 is usually between 60 and 100 beats per minute (bpm). Your number may vary. The best time to measure your resting heart rate is just after you wake up in ...

6. Metabolic equivalent of task - Wikipedia

   en.wikipedia.org/wiki/Metabolic_equivalent_of_task

   The metabolic equivalent of task (MET) is the objective measure of the ratio of the rate at which a person expends energy, relative to the mass of that person, while performing some specific physical activity compared to a reference, currently set by convention at an absolute 3.5 mL of oxygen per kg per minute, which is the energy expended when sitting quietly by a reference individual, chosen ...

7. Equation of time - Wikipedia

   en.wikipedia.org/wiki/Equation_of_time

   Its value is 0, 1, or 2 at different times of the year. Subtracting it leaves a small positive or negative fractional number of half turns, which is multiplied by 720, the number of minutes (12 hours) that the Earth takes to rotate one half turn relative to the Sun, to get the equation of time.

8. Diet Tool: Calories Burned Calculator for Common Exercises ...

   www.webmd.com/.../healthtool-exercise-calculator

   WebMD Fit-O-Meter: The diet tool that is a calories burned calculator and counter for your common exercises and activities.

9. Equations for a falling body - Wikipedia

   en.wikipedia.org/wiki/Equations_for_a_falling_body

   The first equation shows that, after one second, an object will have fallen a distance of 1/2 × 9.8 × 1 2 = 4.9 m. After two seconds it will have fallen 1/2 × 9.8 × 2 2 = 19.6 m; and so on. The next-to-last equation becomes grossly inaccurate at great distances. If an object fell 10 000 m to Earth, then the results of both equations differ ...