Question

Energy required to accelerate a car from 10m/s to 20m/s compared with that required to accelerate from 0m/s to 10m/s is?​

Answer 1

Answer:

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Explanation:

Energy required to accelerate from 10m/s to 20m/s E

1

=

2

1

m(400−100)

Energy required to accelerate from rest to 10m/s E

2

=

2

1

m(100−0)

E

2

E

1

=

2

1

m(100)

2

1

m(300)

=3times