Question

derive the formula for kinetic energy of objects of mass m moving with velocity v

Answer 1

Heya.......!!!!

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We know that change in kinetic energy is = Work done .

⇒ ΔKE = W

⇒ ΔKE = F*x ( work done = F*x )

⇒ ΔKE = ma*x

Applying equation of motion:

=> v² = u² = 2as ( u = 0 )

a = v²/2x

Put value of a in ( ma )

Kinetic Energy = 1/2mv²

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