At a certain instant, an object is subjected to a force F^{\to} = [(4.0)i^{\^}-(2.0)j^{\^}+(9.0)k^{\^}] N while the object’s velocity is v^{\to} = [-(2.0)i^{\^}+(4.0)k^{\^}] m/s. The instantaneous rate at which the force does work on the object is

TS EAMCET Medical 8 May 2019 Shift 1 Paper

Question : 88 of 161

Marks: +1, -0

At a certain instant, an object is subjected to a force

→

= [(4.0)

−(2.0)

+(9.0)

] N while the object’s velocity is

→

= [−(2.0)

+(4.0)

] m/s. The instantaneous rate at which the force does work on the object is

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