Physics, asked by vysha71, 6 months ago

Energy required to accelerate a bus from a speed of 10ms-1 to 20ms-1 compared with that required to accelerate it from 5ms-1 to 15ms-1 is? ​

Answers

Answered by saxenalavi422
2

Answer:

Initial speed of the car is u.

Final speed of the car v=0

Let the retardation of the car be a.

Using v

2

−u

2

=2aS

Or 0−u

2

=2aS

⟹ S∝u

2

(for same a)

Given : S=40m u

=2u

S

S

=

u

2

(u

)

2

=2

2

Or

40

S

=4

⟹ S

=160m

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