1

AIEEE 2006

MCQ (Single Correct Answer)

+4

-1

The potential energy of a $$1$$ $$kg$$ particle free to move along the $$x$$-axis is given by $$V\left( x \right) = \left( {{{{x^4}} \over 4} - {{{x^2}} \over 2}} \right)J$$.

The total mechanical energy of the particle is $$2J.$$ Then, the maximum speed (in $$m/s$$) is

2

AIEEE 2005

MCQ (Single Correct Answer)

+4

-1

A bullet fired into a fixed target loses half of its velocity after penetrating $$3$$ $$cm.$$ How much further it will penetrate before coming to rest assuming that it faces constant resistance to motion?

3

AIEEE 2005

MCQ (Single Correct Answer)

+4

-1

The upper half of an inclined plane with inclination $$\phi $$ is perfectly smooth while the lower half is rough. A body starting from rest at the top will again come to rest at the bottom if the coefficient of friction for the lower half is given by

4

AIEEE 2005

MCQ (Single Correct Answer)

+4

-1

A body of mass $$m$$ is accelerated uniformly from rest to a speed $$v$$ in a time $$T.$$ The instantaneous power delivered to the body as a function of time is given by

Questions Asked from Work Power & Energy (MCQ (Single Correct Answer))

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