Why does a man slip when he steps on banana peel thrown on the road ?
Example why: (i) we slip when step on a banana pell. (ii) lubricants are used in matchines. (iii) a hover-creft travels much faster then a steamer pushing through water. (iv) aeroplanes, missiles, and space ships have their front pointed.
A jogger's internal energy changes because he performs 6.4 xx 10^5 J of work and gives off 4.9 xx 10^5 of heat. However, to cause the same change in his internal energy while walking, he must do 8.2 xx 10^5 J of work. Determine the magnitude of the heat given off while walking.
A person covers a distance of 12km, while walking at a speed of 4km/h.How much distance he would cover in same time, if he walks at a speed of 6 km/h?
To avoid slipping while walking on ice, one should take smaller steps because of the
Give reasons for the following: A man walking on the street slips on a banana skin.
