Question

Q20. What is kinetic energy? Derive expression for it.​

Answer 1

Explanation:

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Answer 2

Answer:

The kinetic energy of a body is the energy that it possessed due to its motion. Kinetic energy can be defined as the work needed to accelerate an object of a given mass from rest to its stated velocity.

Derivation of Kinetic Energy using Algebra—

∆K = W = F∆s = ma∆s

v² = V²0 +2a∆s

a∆s = v²- v²0 ÷ 2

∆K = m(v² - v²0 ÷2)

∆K = ½ mv²-½ mv²0

K.E = ½mv²

Explanation:

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