Does the Kinetic energy of a car change more when it goes from 10 m/s to 20 m/s or when it goes from 20 m/s to 30 m/s.?
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Explanation:
in CASE 1
Change in KE is proportional to (v2²-v1²)
∆KE=C(400-100)=300C
IN CASE 2
∆KE=C(900-400)=500C
C is constant of proportionality
So ∆KE in Case 2 is more
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chandrasailaja01:
thanks for explaination
its very useful
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I have not understood this
My answer is correct why did u mark him Brainliest ??
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