How much work is needed to be done to increase the velocity of an object of mass 2 kg from 3 m/s to 6 m/s?
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Mass of object = 2kg (m)
Initial velocity = 3m/s (u)
Final velocity = 6m/s (v)
By Work Energy Theorem
Where
- W is work done
- ∆KE is change in Kinetic Energy.
Therefore the work done is 25J.
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