No, that is a fairly normal weight for being 14. Anorexia is an eating disorder where the person eats but later vomits up the food deliberately. They do this so as to stay thin. If you find yourself acting like this, see a doctor.
Need more info. Either the volume or density of the stone. From the info given all we know is that it will weigh less in the water than in the air.
about 5kg with a stand
9.7% less than you weigh on Earth, 138% more than you weigh on Mars.
I don't know the exact weight but i know he weighs less than 9 stone, because there was a photo on twitter of a 9 stone dog and he said it weighs more than him!:)
Actaully, very few. Less than 2%.
Roughly 1 in every 250 people is anorexic. That equates to about 0.12 (less than one) out of every 30 people is anorexic.
because the moon has less mass than earth so humans weigh less on the moon than earth
they weigh less than 3000lbs
Strictly a matter of which possesses the greater mass. If the softball has less mass than a basketball, it must weigh less.
Kilograms . It is still fairly common for Brits to express body weight in stone. A stone in this sense is 14 pounds or a little less than 7 kilograms.
Yes
less than