The efficiency in the bounce of a squash ball

I have been asked to do a report on the media’s influence on junk food causing people to become obeast.

The media have a huge influence on junk food as the majority of adverts everywhere are advertising junk food such as the latest chocolate bar, the new meal at McDonalds and the great mega deal at Burger King. These are just a few of the adverts around. In all my life I have never seen a piece of fruit or a salad mea...