When it comes to burning calories, how hard and for how long is much more important than what you do. Pretty much all activities that gives you the same increase in heart rate for the same time will burn the same amount of calories.
Now, it can be a bit difficult to get a good burn going doing sit-ups only, as most people won't have enough upper body endurance to keep doing it fast and long. And it's dependent on weight, gender, age, fitness level etc.
But let's say you can do sit-ups at a pace that gets you about as sweaty and winded as if doing aerobics, then you'd use up something like 450-600 calories if you can keep it up for one hour.
no more than 500 calories
1 galory
about 500 cal
400 to 600 calories sometimes more
One can burn around 300 to 400 calories by twerking. You will need to twerk for approximately one hour for this calorie burn amount.
You can burn a couple hundred calories.
When we sleep, we actually burn about 77 calories per hour. Not too bad for doing nothing!
If you burn six calories per minute while jogging, you would burn a total of 360 calories in one hour. This is calculated by multiplying the calories burned per minute (6) by the number of minutes in an hour (60), resulting in 6 x 60 = 360 calories.
Depends on a lot of things, but maybe 300 calories.
The amount of calories that you burn per hour will depend on a number of things, such as what you weigh, how fast your metabolism is and how much muscle you have.
usually 350. However, it depends upon the speed, and the slope
Depending on what are you doing on a rowing practice, but certanly A LOT!