As an average 300 m (altitude) in one hour.
It depends on your fitness level and the gradient.
Yes
easyer
As my answer, it will be easier to walk uphill because force pulls your bike down and you might fall off and walking is easier.
around 19 knots
All treadmill would give you approximately the same type of cardio workout. To increase your workout, you may want to choose a treadmill that allows you to walk fast or to walk "uphill".
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The amount of time it would take to walk 10 miles will depend on the speed. On average, most people walk at a speed of 3 mph so it would take about three and half hours to walk for the 10 miles.It just depends: How fit you are, how fast you're walking, and where are you walking (uphill, downhill, etc.)On average, women walk at 3 miles per hour. At this speed, it would take 3 hours and 20 minutes minutes to walk 10 miles.On average, men walk at 3.5 miles per hour. At this speed, it would take 2 hours and 51 and a half minutes to walk 10 miles.
550 cal.
It depends on how fast you walk. If you walk at an average pace it should take 15-20 minutes.
depends on how far you walk, are you going uphill, downhill or is it flat? if you walk on a flat area then you will not burn as much as the other two, uphill you will burn the most. all in all you will not burn a lot of calories unless you walk a pretty good distance and even a couple miles of flat land will only burn around 70 calories. a couple miles uphill could burn over 150.
yes, it is good under doctors observation.