Question

E amount of energy is required to bring a stationary car to a velocity of 10 metre per second. find the energy required to change velocity of the car from 10 metre per second to 30 metre per second.​

Answer 1

Explanation:

ANSWER

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

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