a body initially at rest is accelerated at the rate of 0.2ms-2 for 5seconds under a constant force of 50N . find the work done on the body

What are you trying to ask?

The radiation of the fire causes the saucepan to heat up. the conduction of the saucepan then to distribute the heat over the saucepan and to give heat to the water. the convection of the water distributing the heat within the water, till all the water is boiling

What does the start look like