Don't worry about your calories, let your appetite be your guide. You sound perfectly healthy so just eat plenty of protein (for growth and repair) carbohydrate (for energy) some fat (for the vitamins A & D) and drink plenty of water to keep you hydrated.
Around 450 calories
You will burn around 600 to 700 calories, depending on the intesity
From 30 seconds to around 2 minutes.
If someone is swimming for 35 minutes just for fun, it will burn around 300 calories. If swimming using specialized strokes, it could burn up to 500 calories.
In a 16 ounce bottle of soda, there are about 184 calories. The rate at which the sit-ups are performed will determine the amount of calories burned. If 100 sit-ups in around 10 minutes, 57 calories. It would take around 300 sit-ups in 30 minutes.
Around 1200 to maintain a healthy weight
About 200-400 calories if its bag work with differing intensity. If its 30 mins of hard sparing then almost twice that number.
20 minutes is around about 1 mars bar
around 30-45 minutes.
from 30 seconds to around 2 minutes
Around 150 calories on average. Varies with different body weights.
The answer is 200 calories. The trampoline is the second fastest calorie burner on the planet. Trampolining - correctly, using routines (not just bopping around) - burns 3 times more calories than jogging. 30 minutes of jogging at 5.5 km per hour burns 407 calories. Therefore trampolining burns 200 in just 10 minutes.