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Work Power and Energy question

2023 · 13 Apr · Shift 2 · Q71

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JEE Main
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Work Power and Energy
2023 · 13 Apr · Shift 2 · Q71

Work Power and Energy question

2023 · 13 Apr · Shift 2 · Q71

JEE MainPhysicsWork Power and EnergyNumerical+4 / −1

A car accelerates from rest to

u \mathrm{~m} / \mathrm{s}

. The energy spent in this process is E J. The energy required to accelerate the car from

u \mathrm{~m} / \mathrm{s}

to

2 \mathrm{u} \mathrm{m} / \mathrm{s}

is

\mathrm{nE~J}

. The value of

\mathrm{n}

is

\underline{\hspace{2cm}}

.

Numerical answer

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