[tex]\huge\color{red}\boxed{\colorbox{black}{† Qûestìøn}}[/tex]
† 1.Derive the formula for potential energy.
2. Explain the Law of conservation of energy with pendulum.
3. If energy is neither created nor destroyed then from where do we get energy?
4. State and explain one example where kinetic energy is present in a body and is used.
5. Define power and give its unit.
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Answers & Comments
Answer:
[tex]\huge\color{red}\boxed{\colorbox{black}{† Qûestìøn}}[/tex]
please ask it sepreatly
so that l can answer you
5. ans :- we can define power as the rate of
doing work, it is the work done in unit time.
the SI unit of power is Watt (W)
which is joules per second
hope it helps you
thank a lot