100 - 200 a week
A kilojoule is about 4.2 times smaller than a calorie. Find the amount of calories you need in a day and multiply that number (e.g 2000) by 4.2.
Base on a calorie calculator site, a 12 year old boy would need 1800 - 2200 kCal of energy from food and is 7560 - 9240 kJ per day.
1000
5.44 kilo.
onlneconversion.com should have what you need for any conversion.
162 calories is 678.2616 joules. For most purposes you don't need such accuracy, remember one calorie = 4.2 Joules. This is called the mechanical equivalent of heat, and is a useful number to memorize.
A kilo what???? Kilo is a prefix meaning one thousand. You need to specify the base. If, for instance, you meant "how many kilometers equal a centimeter?" the answer would be 0.00001 kilometers per centimeter.
You need to state WHICH dried fruit tio get an answer to that
9.8 hours
There are 1000 joules in 1 kilojoules. to convert kilojoules to joules you need to multiply by 1000, this means moving the decimal point three places to the right filling any gaps with zeros. 1.5 kJ becomes 1500 J.
You need to specify what in. if you mean kilo, there are 100g. in a pound there's 454g
It takes only 80 joules of kinetic energy in a bullet to kill a normal human being if it hits any of the unprotected vital portion of our body.