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# Solution for Write an expression for the kinetic energy of an object. - CBSE Class 9 - Science

ConceptWork and Energy Kinetic Energy

#### Question

Write an expression for the kinetic energy of an object.

#### Solution

If a body of mass m is moving with a velocity v, then its kinetic energy Eis given by the expression,

E_k=1/2"mv"^2

Its SI unit is Joule (J).

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#### APPEARS IN

NCERT Solution for Science Textbook for Class 9 (2014 to Current)
Chapter 11: Work and Energy
Q: 2 | Page no. 152

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Solution Write an expression for the kinetic energy of an object. Concept: Work and Energy - Kinetic Energy.
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