Question

The energy required to accelerate a car from rest to 10m/s is E . What energy will be required to accelerate the car from 10m/s to 20m/s??

(ANS 3E)

Read 1 Solution.

E' = 1/2 m [ 20² - 10² ] = 1/2 m *30*10

E = 1/2 m *10*10

E'/ E= 3 or   E' = 3E

Best SolutionAVANTIKA PURI 11 year ago is this solution helpfull: 23 7

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