Question

(a) state the law of conservation of energy

(b) Derive the equation of motion v=u+at

Answer 1

energy can neither be created nor destroyed

Answer 2

The energy cannot be created nor be destroyed it can only transfrom from one form to other. For example when we light a bulb the electrical energy gets converted into heat and light energy.
We know,
a= (v-u)/t
at=v-u
at+u=v
or
v= u+at
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