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Work Power and Energy question

2023 · 24 Jan · Shift 2 · Q65

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Work Power and Energy
2023 · 24 Jan · Shift 2 · Q65

Work Power and Energy question

2023 · 24 Jan · Shift 2 · Q65

JEE MainPhysicsWork Power and EnergyNumerical+4 / −1

A body of mass 1kg begins to move under the action of a time dependent force

\overrightarrow F = \left( {t\widehat i + 3{t^2}\,\widehat j} \right)

N, where

\widehat i

and

\widehat j

are the unit vectors along

x

and

y

axis. The power developed by above force, at the time t = 2s, will be

\underline{\hspace{2cm}}

W.

Numerical answer

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