Question

Raghu lives in a village and the school is 8 kilometres away from home his father's against buying a motorcycle to go to school opposite Idea and go for a bicycle ride the energy transformation taking place and Raghu rides a bicycle

Answer 1

a man walked from his house to office at 5 kph and got 20 mintes late if he had travelled at 7.5 kph he would have reached 12 mintes early the distance from is house to office

Answer 2

Answer:

chemical energy into mechincal energy

Explanation:

a) as raghu' school is 8 km away so to cover this distance  with speed of 8 km/hr as he wants to reach the school 10 mins before then should leave his house 1 hr 10 mins before the school starts

b) raghu taken a good stand he is really concenrd about enviourement he choose bicycle over motorcycle, he choose bycycle over motor cycle to acvoid noise and air pollution

c) raghu rides bicycle then chemical energy from body converts into mechanical energy