An object of mass $1 k g$ has a P.E. of $1 J$ relative to the ground when it is at a height of

0.1 m

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1 m

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9.8 m

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32 m

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Solution

The correct option is A $0.1 m$
$P . E$ is given by $= m g h$
where $h$ is the height, $m$ is mass and $g$ is acceleration due to gravity
$1 J = 1 \times 10 \times h$
$h = 0.1 m$

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An object of mass 1kg has a P.E. of 1J relative to the ground when it is at a height of

The correct option is A 0.1mP.E is given by =mghwhere h is the height, m is mass and g is acceleration due to gravity1J=1×10×hh=0.1m

An object of mass $1 k g$ has a P.E. of $1 J$ relative to the ground when it is at a height of

The correct option is A $0.1 m$
$P . E$ is given by $= m g h$
where $h$ is the height, $m$ is mass and $g$ is acceleration due to gravity
$1 J = 1 \times 10 \times h$
$h = 0.1 m$