The height of the shelf is 20 m. The potential energy of an object is due to the position of a different part of the object.
What is potential energy ?
The potential energy of an object is due to the position of a different part of the object.
It can be given as
\(U = mgh\)
Where,
\(m\) - mass
\(g\) - gravitational energy
\(h\) - height
Put the values in the formula,
\(350 = 17 \times 9.8 \times h\\\\h = \dfrac {350} { 166.6}\\\\h = 2.10{ \rm \ or}\\\\h = 20 \rm m\)
Therefore, the height of the shelf is 20 m.
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