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The energy required to accelerate a car ...

The energy required to accelerate a car from 10 m/s to 20 m / s is how many times the energy required to accelerate the car from rest to 10 m /s

A

E

B

2E

C

3E

D

4E

Text Solution

Verified by Experts

The correct Answer is:
`(3)`
`E = 1/2 M(10)^(2)`
`E. = 1/2M[20^(2) - 10^(2)]`
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NARAYNA-WORK , ENERGY & POWER -EXERCISE - 1 (C.W)
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  3. The energy required to accelerate a car from 10 m/s to 20 m / s is how...

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  6. A vehicle of mass 1000 kg is moving with a velocity of 15 ms^(-1).It i...

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  7. The workdone to accelerate a body from 30 ms^(-1) to 60 ms^(-1) is thr...

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